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- C2-Symmetric ligandsLigands that lack mirror symmetry but have two-fold rotational symmetry
- C70 fullereneChemical compound
- CadaverineFoul-smelling diamine compound
- CadmeaThe Cadmea, or Cadmeia (Greek: Καδμεία, Kadmía), was the citadel of ancient Thebes, Greece
- CadmiumChemical element with atomic number 48 (Cd)
- Cadmium poisoningMedical condition
- Cadmium sulfideChemical compound
- Cadmium tellurideSemiconductor chemical compound used in solar cells
- Cadmium-free quantum dotSemiconductor nanoparticles
- CaesiumChemical element with atomic number 55 (Cs)
- Caesium chlorideChemical compound
- Caesium cyanideCesium cyanide (chemical formula: CsCN) is the cesium salt of hydrogen cyanide. It is a wh
- Caesium hydrideCaesium hydride or cesium hydride is an inorganic compound of caesium and hydrogen with th
- Caesium nitrateCaesium nitrate or cesium nitrate is a salt with the chemical formula CsNO3. An alkali met
- Caesium perchlorateCaesium perchlorate or cesium perchlorate (CsClO4), is a perchlorate of caesium. It forms
- Caesium sulfateCaesium sulfate or cesium sulfate is the inorganic compound and salt with the formula Cs2S
- Caesium sulfideCesium sulfide is an inorganic salt with a chemical formula Cs2S. It is a strong alkali in
- Caesium superoxideCaesium superoxide is a chemical compound with the chemical formula CsO2. It consists of c
- Caesium-137Radioactive isotope of caesium
- Cahn–Ingold–Prelog priority rulesNaming convention for stereoisomers of molecules
- CalcinationManufacturing process
- CalciumChemical element with atomic number 20 (Ca)
- Calcium acetateChemical compound
- Calcium bicarbonateCalcium bicarbonate, also called calcium hydrogencarbonate, has the chemical formula Ca(HC
- Calcium carbideChemical compound
- Calcium carbonateChemical compound
- Calcium chlorideChemical compound
- Calcium chromateCalcium chromate is an inorganic compound with the formula CaCrO4, i.e. the chromate salt
- Calcium citrateChemical compound
- Calcium cyanamideChemical compound
- Calcium disilicideCalcium disilicide (CaSi2) is an inorganic compound, a silicide of calcium. It is a whitis
- Calcium fluorideChemical compound
- Calcium hydroxideInorganic compound of formula Ca(OH)2
- Calcium hydroxide (data page)This page provides supplementary chemical data on calcium hydroxide.
- Calcium hypochloriteChemical compound
- Calcium oxideChemical compound of calcium
- Calcium perchlorateCalcium perchlorate is classified as a metal perchlorate salt with the molecular formula C
- Calcium permanganateCalcium permanganate is an oxidizing agent and chemical compound with the chemical formula
- Calcium silicate hydrateMain product of the hydration of Portland cement
- Calcium sulfateChemical derived from gypsum used in food and industry
- Calcium sulfideChemical compound of formula CaS
- Calcium supplementDietary mineral supplement
- Calcium-48Isotope of calcium
- Calibration curveMethod for determining the concentration of a substance in an unknown sample
- CaliforniumChemical element with atomic number 98 (Cf)
- Californium compoundsFew compounds of californium have been made and studied. The only californium ion that is
- CalixareneBasket-shaped ring molecule able to store other molecules within itself
- CalorimetryDetermining heat transfer in a system by measuring its other properties
- CamphorToxic, waxy organic compound
- Camphorsulfonic acidCamphorsulfonic acid, sometimes abbreviated CSA or 10-CSA is an organosulfur compound. Lik
- CandicidinCandicidin is an antifungal compound obtained from Streptomyces griseus. It is active agai
- Cannizzaro reactionOrganic chemical reaction
- Cannula transferChemical laboratory technique
- Capillary electrophoresisMethod of separating chemical or biological samples
- CapsaicinPungent chemical compound in chili peppers
- CaramelizationProcess of browning of sugar
- CarbamateChemical group (>N–C(=O)–O–)
- Carbamic acidCarbamic acid, which might also be called aminoformic acid or aminocarboxylic acid, is the
- CarbanionOrganic ion with a negatively charged carbon atom
- CarbazoleChemical compound
- CarbeneOrganic molecule containing a neutral carbon with two unbound valence electrons
- Carbene analogGroup of carbenes
- Carbenium ionClass of ions
- CarbideInorganic compound group
- CarboborationIn organic chemistry, carboboration describes an addition of both a carbon and a boron moi
- CarbocationIon with a positively charged carbon atom
- CarbodiimideClass of organic compounds with general structure RN=C=NR'
- Carbohydrate chemistryCarbohydrate chemistry is a subdiscipline of chemistry primarily concerned with the detect
- Carbohydrate synthesisSub-field of organic chemistry
- CarbometalationChemical reaction with carbon-metal bond
- CarbonChemical element with atomic number 6 (C)
- Carbon blackChemical compound
- Carbon compoundsChemical substances containing carbon
- Carbon dioxideCarbon-oxygen gas
- Carbon diselenideCarbon diselenide is an inorganic compound with the chemical formula CSe2. It is a yellow-
- Carbon disulfideChemical compound
- Carbon disulfide (data page)This page provides supplementary chemical data on carbon disulfide.
- Carbon filteringCarbon filtering is a method of filtering that uses a bed of activated carbon to remove im
- Carbon groupPeriodic table group
- Carbon monoxidePoisonous gas consisting of carbon and oxygen
- Carbon monoxide-releasing moleculesSubstances delivering CO within the body
- Carbon nanobudIn nanotechnology, a carbon nanobud is a material that combines carbon nanotubes and spher
- Carbon nanoconeCarbon nanocones are conical structures which are made predominantly from carbon and which
- Carbon nanotubeAllotropes of carbon with a cylindrical nanostructure
- Carbon nanotube chemistryArea of research analysing the modification of carbon nanotubes
- Carbon quantum dotType of carbon nanoparticle
- Carbon steelSteel in which the main interstitial alloying constituent is carbon
- Carbon suboxideCarbon suboxide, or tricarbon dioxide, is an organic, oxygen-containing chemical compound
- Carbon tetrachlorideCarbon compound
- Carbon tetrachloride (data page)This page provides supplementary chemical data on carbon tetrachloride.
- Carbon tetrafluorideChemical compound
- Carbon trioxideCarbon trioxide (CO3) is an unstable oxide of carbon (an oxocarbon). The possible isomers
- Carbon-12Isotope of Carbon
- Carbon-13Less abundant (~1%) stable isotope of carbon
- Carbon-14Radiosotope of carbon
- Carbon-carbon bond activationProcess of breaking bonds between carbon atoms
- Carbon–carbon bondCovalent bond between two carbon atoms
- Carbon–fluorine bondCovalent bond between carbon and fluorine atoms
- Carbon–hydrogen bondCovalent chemical bond between hydrogen and carbon atoms
- Carbon–hydrogen bond activationOrganic reaction
- Carbon–nitrogen bondCovalent bond
- Carbon–oxygen bondChemical bond
- CarbonatationReaction of calcium hydroxide with CO2 to form calcium carbonate
- CarbonateSalt or ester of carbonic acid
- Carbonate esterChemical group (R–O–C(=O)–O–R′)
- CarbonationReactions of carbon dioxide, including process of dissolving carbon dioxide in a liquid
- CarbonesClass of molecules
- Carbonic acidChemical compound
- CarbonizationConversion of matter to carbon
- Carbonyl condensationOrganic reaction of carbonyl compounds with amines to imines
- Carbonyl groupFunctional group (C=O)
- Carbonyl oxidation with hypervalent iodine reagentsChemical reaction
- Carbonyl reductionOrganic reduction of any carbonyl group by a reducing agent
- Carbonyl selenideCarbonyl selenide is a chemical compound with the chemical formula O=C=Se. It is a linear
- CarbonylationChemical reaction which adds a C=O group onto a molecule
- CarboraneClass of chemical compounds
- Carborane acidClass of chemical compounds
- Carbothermic reactionReduction of substances using carbon
- CarboximidateCarboximidates (or more general imidates) are organic compounds, which can be thought of a
- CarboxylateChemical group (RCOO); conjugate base of a carboxylic acid
- CarboxylationChemical conversion reaction
- Carboxylic acidOrganic compound containing a –C(=O)OH group
- CarburizingCarburizing, or carburising, is a heat treatment process in which iron or steel absorbs ca
- CarbyneIn organic chemistry, a carbyne is a general term for any compound whose structure consist
- CarcerandMolecule which completely entraps another within itself
- Carl DuisbergFriedrich Carl Duisberg (29 September 1861 – 19 March 1935) was a German chemist and indus
- Carl MannichGerman chemist (1877–1947)
- Carl ReichenbachKarl Ludwig Freiherr von Reichenbach (German pronunciation: ; February 12, 1788 – January
- Carl Remigius FreseniusGerman chemist (1818–1897)
- Carl VoegtlinCarl Voegtlin (July 28, 1879 – April 9, 1960), also Karl Voegtlin, was a Swiss-American ph
- Carroll rearrangementChemical reaction
- CarveolCarveol is a natural unsaturated, monocyclic monoterpenoid alcohol that is a constituent o
- CarvoneChemical compound
- CaryophylleneNatural bicyclic sesquiterpene
- CAS Registry NumberChemical identifier
- Cascade reactionChemical process
- Casey William HardisonAmerican chemist (born 1971)
- CasomorphinChemical compound
- Cast ironIron-carbon alloy
- Cast-iron architectureCast-iron architecture is the use of cast iron in buildings and objects, ranging from brid
- Castle GeyserCastle Geyser is a cone geyser in the Upper Geyser Basin of Yellowstone National Park. It
- Castner–Kellner processMethod of electrolysis of alkali chloride solutions
- Castro–Stephens couplingChemical reaction
- CatalysisProcess of increasing the rate of a chemical reaction
- Catalyst supportPorous material with a high specific surface area supporting a catalyst
- Catalytic reformingChemical process used in oil refining
- Catalytic resonance theoryTheory in chemistry
- CatechinSecondary metabolite
- CatenationBonding of atoms of the same element into chains or rings
- CathodeElectrode where reduction takes place
- Cationic polymerizationPolymerization reaction initiated by a charge transfer to a monomer
- Ceiba pentandraKapok tree cultivated for seed fibre
- CellulaseEnzymes that catalyze cellulolysis
- CementiteCompound of iron and carbon
- CenosphereA cenosphere or kenosphere is a lightweight, inert, hollow sphere made largely of silica a
- Centenary MedalThe Centenary Medal is an award which was created by the Australian Government in 2001. It
- CentrifugationMechanical process
- Ceramic nanoparticleNano-scale ceramic materials
- CeramographyCeramography is the art and science of preparation, examination and evaluation of ceramic
- CeriteCerite is a complex silicate mineral group containing cerium, formula (Ce,La,Ca)9(Mg,Fe3+)
- CeriumChemical element with atomic number 58 (Ce)
- Cerium compoundsChemical compounds
- Cetane numberCetane number (cetane rating) (CN) is an indicator of the combustion speed of diesel fuel
- Cetyl alcoholChemical compound
- Cetyl palmitateHexadecyl hexadecanoate, also known as cetyl palmitate, is the ester derived from hexadeca
- Chadwick A. TolmanChadwick Alma Tolman (October 1938 – April 6, 2024) was an American chemist. He obtained h
- Chain extenderIn polymer chemistry, a chain extender is a low molecular weight (MW) reagent that convert
- Chain reactionSelf-amplifying chain of events
- Chain transferMovement of the active site on one growing polymer chain to another molecule
- Chain-growth polymerizationPolymerization mechanism
- ChalcogenGroup of chemical elements
- Characterization of nanoparticlesMeasurement of physical and chemical properties of nanoparticles
- Charge numberFor a particle, quotient of its electric charge and the elementary charge
- Charge-shift bondProposed class of chemical bonds
- Charge-transfer bandCharacteristic feature of the optical spectra of many compounds
- Charge-transfer complexAssembly of molecules or ions
- Charles CoulsonBritish applied mathematician, theoretical chemist and religious author (1910–1974)
- Charles D. CoryellCharles DuBois Coryell (February 21, 1912 – January 7, 1971) was an American chemist who w
- Charles Frédéric GerhardtFrench chemist (1816–1856)
- Charles Frederick BurgessAmerican chemist and engineer (1873–1945)
- Charles James (chemist)Charles James (27 April 1880 – 10 December 1928) was a chemist of British origin working i
- Charles Phelps SmythCharles Phelps "Charlie" Smyth (; February 10, 1895 – March 18, 1990) was an American chem
- Charles's lawRelationship between volume and temperature of a gas at constant pressure
- ChelationType of chemical bonding with metal ions
- Cheletropic reactionChemical reaction in which a ring is formed/broken by adding/removing a single atom
- ChemDrawChemDraw is a molecule editor first developed in 1985 by Selena "Sally" Evans, her husband
- ChemesthesisChemical detection of irritants and toxins
- Chemical Abstracts ServiceDivision of the American Chemical Society
- Chemical affinityIn chemical physics and physical chemistry, chemical affinity is the electronic property b
- Chemical bondAssociation of atoms to form chemical compounds
- Chemical bonding of waterTriatomic molecule
- Chemical burnMedical condition
- Chemical clockChemical reaction after a predictable time
- Chemical compositionIdentity, arrangement, and ratio of the elements that make up a compound
- Chemical compoundSubstance composed of multiple chemically bonded elements
- Chemical decompositionClass of chemical reaction
- Chemical elementChemical substance not composed of simpler ones
- Chemical elements in East Asian languagesThe names for chemical elements in East Asian languages, along with those for some chemica
- Chemical energyEnergy released from chemical substances
- Chemical engineerProfessional designation branch of engineering
- Chemical equationSymbolic representation of a chemical reaction
- Chemical equilibriumWhen the ratio of reactants to products of a chemical reaction is constant with time
- Chemical file formatFile format that stores chemical formulae and structures
- Chemical formulaNotation for chemical compounds
- Chemical gardenDemonstration of metallic salts crystallization
- Chemical graph generatorSoftware for visualizing chemical structures
- Chemical hazardNon-biological hazards of hazardous materials
- Chemical imagingSimultaneous measurement of spectra and pictures
- Chemical impuritySubstance within a material that differs from its chemical composition
- Chemical industry in the United KingdomThe chemical industry in the United Kingdom is one of the UK's main manufacturing industri
- Chemical Institute of Canada MedalThe Chemical Institute of Canada Medal or CIC Medal is the highest award that the Chemical
- Chemical kineticsStudy of the rates of chemical reactions
- Chemical lawLaw of nature relevant to chemistry
- Chemical Markup LanguageChemical Markup Language (ChemML or CML) is an approach to managing molecular information
- Chemical nomenclatureSystematic naming of chemical compounds
- Chemical oxygen demandMeasure of the amount of oxygen that can be consumed by reactions in a solution
- Chemical Pioneer AwardThe Chemical Pioneer Award, established in 1966, is awarded by the American Institute of C
- Chemical polaritySeparation of electric charge in a molecule
- Chemical processChange in matter of constant composition, usually involving other such matters
- Chemical reactionProcess that leads to chemical changes
- Chemical reactorEnclosed volume where interconversion of compounds takes place
- Chemical safetySafety of activities involving chemicals
- Chemical shiftVariation in resonant frequency of identical atomic nuclei in a magnetic field
- Chemical similarityChemical term
- Chemical Society of JapanJapanese learned society and professional association
- Chemical speciesSubstance composed of chemically identical molecular entities
- Chemical stateThe chemical state of a chemical element is due to its electronic, chemical and physical p
- Chemical storageChemical storage is the storage of controlled substances or hazardous materials in chemica
- Chemical symbolAbbreviations used in chemistry
- Chemical synthesisPlanned series of chemical reactions to produce desired product(s)
- Chemical table fileFamily of chemical file formats
- Chemical terrorismTerrorism involving chemical agents
- Chemical testProcedure for identifying or quantifying a chemical compound or group
- Chemical thermodynamicsStudy of chemical reactions within the laws of thermodynamics
- Chemical wasteWaste made from harmful chemicals
- Chemically inertSubstance that is not chemically reactive
- ChemiluminescenceEmission of light as a result of a chemical reaction
- CheminformaticsComputational chemistry
- ChemisorptionPhenomenon of surface adhesion
- ChemistScientist trained in the study of chemistry
- ChemistryScientific study of matter's behavior and properties
- Chemistry educationStudy of the teaching and learning of chemistry
- Chemistry of MaterialsChemistry of Materials is a peer-reviewed scientific journal, published since 1989 by the
- Chemistry setEducational toy
- ChemometricsScience of extracting information from chemical systems by data-driven means
- ChemoselectivityPreferential outcome of a chemical reaction
- Chemosynthesis (nanotechnology)Process in molecular nanotechnology
- ChemSpiderDatabase of chemicals owned by the Royal Society of Chemistry
- Chichibabin pyridine synthesisMethod for synthesizing pyridine rings
- Chichibabin reactionMethod for producing 2-aminopyridine derivatives
- Chinese alchemyAncient Chinese approach to alchemy
- Chiral analysisScientific publications term
- Chiral derivatizing agentReagent for converting a chemical compound to a chiral derivative
- Chiral inversionConversion of an enantiomer to its mirror image
- Chiral Lewis acidType of Lewis acid catalyst
- Chiral poolCollection of enantiomers
- Chiral resolutionSeparation of a sample of a chiral compound into its enantiomers
- Chirality (chemistry)Geometric property of some molecules and ions
- Chirality timelineChirality timeline presents a timeline of landmark events that unfold the developments hap
- Chloralkali processIndustrial process for electrolysis of sodium chloride
- ChloraminesClass of chemical compounds
- ChlorateAnion and term for chemical compounds containing it
- ChlorideMain anion present in sea water
- ChlorinChemical compound
- ChlorineChemical element with atomic number 17 (Cl)
- Chlorine dioxideChemical compound
- Chlorine monoxideChlorine monoxide is a chemical radical with the chemical formula ClO•. It plays an import
- Chlorine productionProduction of chlorine
- Chlorine-36Long-lived radioisotope of chlorine
- Chlorine-37Isotope of chlorine
- Chlorine-releasing compoundsPharmaceutical compound
- ChloriteIon or compound containing chlorine
- Chloroacetyl chlorideChloroacetyl chloride is a chlorinated acyl chloride. It is a bifunctional compound, makin
- ChlorodifluoromethaneChemical propellant and refrigerant
- ChlorofluorocarbonClass of organic compounds
- ChloroformCHCl3, historical anaesthetic and common solvent
- Chloroform (data page)This page provides supplementary chemical data on chloroform.
- ChloroiodomethaneChloroiodomethane is the halomethane with the formula is CH2ClI. It is a colorless liquid
- ChloromethaneChemical compound formerly used as a refrigerant
- Chloromethane (data page)This page provides supplementary chemical data on chloromethane.
- ChlorylIon
- CholesteneChemical compound
- Cholesterol total synthesisCholesterol total synthesis in chemistry describes the total synthesis of the complex biom
- Christian B. AnfinsenAmerican biochemist (1916–1995)
- Christian Wilhelm BlomstrandChristian Wilhelm Blomstrand (20 October 1826 – 5 November 1897) was a Swedish mineralogis
- Chromate and dichromateChromium(VI) anions
- Chromate conversion coatingChemical treatment of metals
- ChromatographySet of laboratory techniques for separation of mixtures
- Chromatography detectorA chromatography detector is a device that detects and quantifies separated compounds as t
- Chrome alumChrome alum or Chromium(III) potassium sulfate is the potassium double sulfate of chromium
- Chrome platingTechnique of electroplating
- Chrome yellowChemical compound and pigment
- Chromic acidMixture of concentrated sulfuric acid and dichromate
- ChromiumChemical element with atomic number 24 (Cr)
- Chromium compoundsChemical compounds containing chromium
- Chromium cycleBiogeochemical cycle
- Chromium hexafluorideChromium hexafluoride or chromium(VI) fluoride (CrF6) is a hypothetical chemical compound
- Chromium(II) acetateChemical compound
- ChromoceneChromocene is the organochromium compound with the formula [Cr(C5H5)2]. Like structurally
- ChromophorePart of a molecule responsible for its color
- ChrysinChrysin, also called 5,7-dihydroxyflavone, is a flavone found in honey, propolis, the pass
- CinnamaldehydeChemical compound
- Circuit topologyGraph topology applied to electrical and communications circuits, or biomolecules
- Circulating fluidized bedElement of an industrial furnace
- CirculeneClass of chemical
- Cis effectDestabilization of CO ligands that are cis to other ligands
- Cis–trans isomerismPairs of molecules with same chemical formula showing different spatial orientations
- CisplatinChemical compound and pharmaceutical drug
- CitralChemical compound
- Citric acidWeak organic acid
- CitronellalChemical compound
- Claisen condensationChemical reaction
- Claisen rearrangementChemical reaction
- Clarification and stabilization of wineIn winemaking, clarification and stabilization are the processes by which insoluble matter
- Clarifying agentAgent used to remove suspended solids from liquid
- Clathrate compoundInclusion compound
- Clausius–Clapeyron relationRelation between vapour pressure and temperature
- Cleaning agentSubstance used to remove dirt or other contaminants
- Clemens WinklerClemens Alexander Winkler (December 26, 1838 – October 8, 1904) was a German chemist who d
- Clemmensen reductionOrganic chemical reaction
- Cliff AddisonBritish inorganic chemist
- CLP Regulation2008 European Union regulation about chemicals
- Coagulation (water treatment)In water treatment, coagulation and flocculation involve the addition of compounds that pr
- Coal tarChemical mixture
- CoatingSubstance spread over a surface
- CobaltChemical element with atomic number 27 (Co)
- Cobalt compoundsChemical compound containing the element cobalt
- Cobalt extractionMetallurgical process
- Cobalt in biologyCobalt is essential to the metabolism of all animals. It is a key constituent of cobalamin
- Cobalt oxide nanoparticleIn materials and electric battery research, cobalt oxide nanoparticles usually refers to p
- Cobalt-60Radioactive isotope of cobalt
- Cobalt(II,III) oxideCobalt(II,III) oxide is an inorganic compound with the formula Co3O4. It is one of two wel
- Cobalt(II) sulfateCobalt(II) sulfate is any of the inorganic compounds with the formula CoSO4(H2O)x. Usually
- CobaltoceneCobaltocene, known also as bis(cyclopentadienyl)cobalt(II) or even "bis Cp cobalt", is an
- Codex AlimentariusCollection of internationally recognized food standards
- Coil–globule transitionCollapse of a macromolecule from an expanded coil state to a collapsed globule state
- Coinage metalsMetals suitable for making coins
- CokingHeating of coal in the absence of oxygen
- Colligative propertiesProperties of solutions that depend only on the number of solute particles
- Collins oxidationOrganic oxidation reaction
- Collision frequencyPhysics calculation for collisions
- Collision theoryChemistry principle
- ColloidMixture of an insoluble substance microscopically dispersed throughout another substance
- Colloidal goldSuspension of gold nanoparticles in a liquid
- Colloidal probe techniqueThe colloidal probe technique is commonly used to measure interaction forces acting betwee
- Color of chemicalsPhysical property of chemicals
- Color of waterWater color in different conditions
- Colored dissolved organic matterOptically measurable component of the dissolved organic matter in water
- Colored goldVarious colors of gold obtained by alloying gold with other elements
- Colorimetric analysisMethod of determining chemical concentration
- Column chromatographyMethod to isolate a compound in a mixture
- Column stillA column still, also called a continuous still, patent still or Coffey still, is a variety
- Combination reactionA direct combination reaction (also known as a synthesis reaction) is a reaction where two
- Combinatorial chemistryCompound library-based chemical synthesis method
- Combining rulesIn computational chemistry and molecular dynamics, the combination rules or combining rule
- Combustibility and flammabilityAbility to easily ignite in air at ambient temperatures
- CombustionChemical reaction between a fuel and oxygen
- Combustion analysisMethod to determine the elemental composition of organic compounds
- Commission on Isotopic Abundances and Atomic WeightsInternational scientific committee
- Commodity chemicalGroup of industrial chemical compounds
- Common-ion effectDecrease in solubility of an ionic substance in solution when a common ion is added
- Complexometric indicatorChemical detector for metal ions in complexometric titrations
- Compressive strengthCapacity of a material or structure to withstand loads tending to reduce size
- ComproportionationReaction between two different species of an element to give a same species
- Computational chemistryBranch of chemistry
- Computer-assisted structure elucidationComputer-assisted structure elucidation (or CASE) is the technique of using software to ge
- Conant familyThe Conant family is a distinguished aristocratic family of English origin.
- ConcentrationRatio of part of a mixture to the whole
- Concrete step barrierA concrete step barrier is a safety barrier used on the central reservation of motorways a
- Condensation polymerPolymer produced via a condensation reaction
- Condensation reactionChemical reaction where molecules are combined and a small molecule is lost
- Condenser (laboratory)Laboratory apparatus used to condense vapors
- Congener (chemistry)Related substances
- Congressional charterA congressional charter is a law passed by the United States Congress that states the miss
- Conjugate (acid-base theory)Chemical compound formed when an acid donates a proton to a base
- Conjugated systemSystem of connected p-orbitals with delocalized electrons in a molecule
- CononsolvencyCononsolvency is a phenomenon where two solvents that can typically readily dissolve a pol
- Conrad–Limpach synthesisChemical reaction
- Conservation of massScientific law that a closed system's mass remains constant
- ConstantanAlloy of copper and nickel
- Contact processIndustrial method of sulfuric acid production
- ContaminationPresence of an unwanted element
- Continuous distillationForm of distillation
- Continuous stirred-tank reactorType of chemical reactor
- Convergent synthesisStrategy to improve chemical synthesis
- Conversion (chemistry)Ratios used in chemical reaction engineering
- Cook–Heilbron thiazole synthesisChemical synthesis
- Cool flameFlame with temperature below about 400 °C
- Cooling bathLiquid mixture used to maintain low temperatures
- Coordinate covalent bondTwo-electron chemical bond where both electrons derive from the same atom
- Coordination complexCompound with a metal center bound to ligands
- Coordination geometryTerm used in chemistry
- Coordination polymerPolymer consisting of repeating units of a coordination complex
- Coordination polymerizationCoordination polymerisation is a form of polymerization that is catalyzed by transition me
- Coordination sphereAll ligands directly bound to the central metal atom of a chemical complex
- Cope reactionReaction of N-oxide to alkene and hydroxylamine
- Cope rearrangementChemical reaction featuring a sigmatropic rearrangement
- CoperniciumChemical element with atomic number 112 (Cn)
- CopolymerPolymer derived from more than one species of monomer
- CopperChemical element with atomic number 29 (Cu)
- Copper (color)Orange brown color
- Copper compoundsChemical compounds containing copper
- Copper nanoparticleA copper nanoparticle is a copper based particle 1 to 100 nm in size. Like many other form
- Copper-64Copper-64 (64Cu) is a positron and beta emitting isotope of copper, with applications for
- Copper(I) cyanideCopper(I) cyanide (cuprous cyanide) is an inorganic compound with the formula CuCN. This o
- Copper(I) oxideCopper(I) oxide or cuprous oxide is the inorganic compound with the formula Cu2O. It is on
- Copper(II) acetateChemical compound
- Copper(II) azideCopper(II) azide is a medium density explosive with the molecular formula Cu(N3)2.
- Copper(II) bromideCopper(II) bromide (CuBr2) is a chemical compound that forms an unstable tetrahydrate CuBr
- Copper(II) chlorideChemical compound
- Copper(II) oxideChemical compound – an oxide of copper with formula CuO
- Copper(II) sulfateChemical compound
- CoprecipitationChemical process
- Corey–Fuchs reactionChemical reaction series
- Corey–House synthesisChemical reaction
- Corey–Itsuno reductionChemical reaction
- Corey–Kim oxidationChemical reaction
- Cornforth rearrangementIn organic chemistry, the Cornforth rearrangement is a rearrangement reaction of a 4-acylo
- CorrinCorrin is a heterocyclic compound. Although not known to exist on its own, the molecule is
- CorrinoidClass of chemical compounds
- CorroleA corrole is an aromatic tetrapyrrole. The corrin ring is also present in cobalamin (vitam
- CorrosionGradual destruction of materials by chemical reaction with its environment
- Corundum (structure)Type of crystal structure
- Corymbia citriodoraCorymbia citriodora, commonly known as lemon-scented gum and other common names, is a spec
- CosolventSubstance added to improve solubility
- Costin NenițescuCostin D. Nenițescu (in some places Nenitzescu (Romanian pronunciation: ; 15 July 1902 – 2
- CoulometryMethod of chemical analysis
- Coulson–Fischer theoryQuantum mechanical description of electronic structure
- CoumarinAromatic chemical compound
- Coumarin derivativesCoumarin derivatives are derivatives of coumarin and are considered phenylpropanoids. Amon
- Coupled clusterMethod for approximating many-body systems
- Coupling reactionType of reaction in organic chemistry
- Covalent bondChemical bond by sharing of electron pairs
- Covalent radiusMeasure of the size of an atom that forms part of one covalent bond
- Covalent radius of fluorineThe covalent radius of fluorine is a measure of the size of a fluorine atom; it is approxi
- Cracking (chemistry)Process breaking down complex organic molecules into simpler ones
- CRC Handbook of Chemistry and PhysicsComprehensive one-volume reference resource for science research
- CreosoteTar distillation byproduct used as wood preservative
- CresolGroup of chemical compounds
- Cresyl violetCresyl violet is an organic compound with the chemical formula C19H18ClN3O. It is a basic
- Cross-coupling reactionChemical reaction in which two molecules are joined due to a metal catalyst
- Cross-flow filtrationFiltration technique
- Cross-linkBonds linking one polymer chain to another
- Crotyl alcoholCrotyl alcohol, or crotonyl alcohol, is an unsaturated alcohol. It is a colourless liquid
- Crotyl groupA crotyl group is an organic functional group with the formula RCH2CH=CHCH3. Systematicall
- Crown etherRing molecules with several ether (–O–) groups
- CryochemistryBranch of chemistry
- CryptandCyclic, multidentate ligands adept at encapsulating cations
- Crystal field theoryTheory in condensed matter physics
- Crystal violetTriarylmethane dye
- CSA TrustThe Chemical Structure Association Trust (CSA Trust) is an internationally recognized, reg
- Cubane-type clusterMolecular structure which forms a cube
- Cumene processIndustrial process
- CumuleneHydrocarbon compound with 3 or more consecutive double bonds
- CuprateMetallic compound with anionic copper complexes
- CupronickelAlloy of copper containing nickel
- CurcuminPrincipal curcuminoid of turmeric
- CurcuminoidClass of chemical compounds
- CuriumChemical element with atomic number 96 (Cm)
- Curium hexafluorideCurium hexafluoride is an inorganic chemical compound of curium and fluorine with the chem
- Curtin–Hammett principlePrinciple in chemical kinetics
- Curtius rearrangementChemical reaction
- CyanateAnion with formula OCN and charge –1
- CyanationChemical reaction
- CyanideAny molecule with a cyano group (C≡N)
- Cyanide poisoningBroad-spectrum poisoning
- CyanineCyanines, also referred to as tetramethylindo(di)-carbocyanines are a synthetic dye family
- CyanoacrylateType of fast-acting adhesive
- CyanogenChemical compound
- Cyanogen chlorideChemical compound
- Cyanohydrin reactionAddition reaction of carbonyl compounds and cyanide
- Cycle basisIn graph theory, a branch of mathematics, a cycle basis of an undirected graph is a set of
- CyclenCyclen (1,4,7,10-tetraazacyclododecane) is a aza-crown ether with the formula (CH2CH2NH)4.
- Cyclic compoundMolecule with a ring of bonded atoms
- Cyclic ozoneCyclic ozone is a theoretically predicted form of ozone. Like ordinary ozone (O3), it woul
- Cyclic symmetry in three dimensionsIn three dimensional geometry, there are four infinite series of point groups in three dim
- Cyclic voltammetryMethod of analyzing electrochemical reactions
- CycloadditionChemical reaction which forms a cyclic molecule
- CycloalkaneSaturated alicyclic hydrocarbon
- CycloalkeneHydrocarbon compound containing a non-aromatic ring with a C=C bond
- Cyclobutadieneiron tricarbonylCyclobutadieneiron tricarbonyl is an organoiron compound with the formula Fe(C4H4)(CO)3. I
- CyclobutaneOrganic compound (CH2)4
- CyclobuteneCyclobutene is an organic compound with the chemical formula C4H6. It is a cycloalkene. It
- CyclodextrinCyclic oligosaccharide with 6 to 8 glucose units
- CyclohexaneOrganic compound; 6-sided hydrocarbon ring
- Cyclohexane (data page)This page provides supplementary chemical data on cyclohexane.
- Cyclohexane conformationStructures of cyclohexane
- CyclohexylamineCyclohexylamine is an organic compound, belonging to the aliphatic amine class. It is a co
- CycloisomerizationTyper of isomerization
- Cyclonic separationMethod of removing particulates from a fluid stream through vortex separation
- Cyclopentadienyliron dicarbonyl dimerCyclopentadienyliron dicarbonyl dimer is an organometallic compound with the formula [(η5-
- CyclopentaneChemical compound
- CyclophaneRing molecule with two nonadjacent atoms linked by a chain
- CyclopropanationChemical process which generates cyclopropane rings
- CyclopropaneChemical compound
- CyclopropanolCyclopropanol is an organic compound with the chemical formula C3H6O. It contains a cyclop
- CymeneCymene describes organic compounds with the formula CH3C6H4CH(CH3)2. Three isomers exist:
- Cynthia FriendAmerican chemist
- Cyril N. HinshelwoodBritish Nobel laureate and chemist (1897–1967)
- Cytochrome c oxidaseAerobic respiration enzyme
- Cytochrome P450Class of enzymes
- Cytochrome P450 (individual enzymes)List of Cytochrome P450 enzymes
