dodecane dodecane dodecane (also known as dihexyl, bihexyl, adakane 12, or duodecane) is an oily liquid n-alkane hydrocarbon with the chemical formula c12h26 (which has 355 isomers). dodecane names preferred iupac name dodecane identifiers cas number 112-40-3 y 3d model (jsmol) interactive image beilstein reference 1697175 chebi chebi:28817 y chembl chembl30959 y chemspider 7890 y drugbank db02771 y echa infocard 100.003.607 ec number 203-967-9 gmelin reference 201408 kegg c08374 y mesh n-dodecane pubchem cid 8182 rtecs number jr2125000 unii 11a386x1qh y comptox dashboard (epa) dtxsid0026913 inchi inchi=1s/c12h26/c1-3-5-7-9-11-12-10-8-6-4-2/h3-12h2,1-2h3 ykey: snrubqqjibeymu-uhfffaoysa-n y smiles cccccccccccc properties chemical formula c12h26 molar mass 170.340 g·mol−1 appearance colorless liquid odor gasoline-like to odorless density 0.7495 g ml−1 at 20 °c melting point −10.0 to −9.3 °c; 14.1 to 15.2 °f; 263.2 to 263.8 k boiling point 214 to 218 °c; 417 to 424 °f; 487 to 491 k log p 6.821 vapor pressure 18 pa (at 25 °c) henry's lawconstant (kh) 1.4 nmol pa−1 kg−1 refractive index (nd) 1.421 viscosity 1.34 mpa s thermochemistry heat capacity (c) 376.00 j k−1 mol−1 std molarentropy (s⦵298) 490.66 j k−1 mol−1 std enthalpy offormation (δfh⦵298) −353.5–−350.7 kj mol−1 std enthalpy ofcombustion (δch⦵298) −7901.74 kj mol−1 hazards ghs labelling: pictograms signal word danger hazard statements h304 precautionary statements p301+p310, p331 nfpa 704 (fire diamond) 1 2 0 flash point 71 °c (160 °f; 344 k) autoignitiontemperature 205 °c (401 °f; 478 k) explosive limits 0.6% safety data sheet (sds) hazard.com related compounds related alkanes undecanetridecane except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). y verify (what is yn ?) infobox references 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) δh° = −7513 kj one litre of fuel needs about 15 kg of air to burn, and generates 2.3 kg (or 1.2 m3) of co2 upon complete combustion. 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.