Dodecane
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Through Alkane, Hydrocarbon and Isomer
It is used as a solvent, distillation chaser, and scintillator component. It is used as a diluent for tributyl phosphate (TBP) in nuclear reprocessing plants.
Combustion reaction
The combustion reaction of dodecane is as follows:
- C12H26(l) + 18.5 O2(g) → 12 CO2(g) + 13 H2O(g)
One litre of fuel needs about 15 kg of air to burn (2.6 kg of oxygen), and generates 2.3 kg (or 1.2 m3) of CO2 upon complete combustion.
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Jet fuel surrogate
In recent years, n-dodecane has garnered attention as a possible surrogate for kerosene-based fuels such as Jet-A, S-8, and other conventional aviation fuels. It is considered a second-generation fuel surrogate designed to emulate the laminar flame speed, largely supplanting n-decane, primarily due to its higher molecular mass and lower hydrogen-to-carbon ratio which better reflect the n-alkane content of jet fuels.