Dodecane

Not to be confused with Dodecahedrane.
Dodecane
Skeletal formula of dodecane
Skeletal formula of dodecane with all implicit carbons shown, and all explicit hydrogens added
Ball and stick model of dodecane
Names
Preferred IUPAC name
Dodecane[1]
Identifiers
3D model (JSmol)
1697175
ChEBI
ChEMBL
ChemSpider
DrugBank
ECHA InfoCard 100.003.607 Edit this at Wikidata
EC Number
  • 203-967-9
201408
KEGG
MeSH n-dodecane
RTECS number
  • JR2125000
UNII
  • InChI=1S/C12H26/c1-3-5-7-9-11-12-10-8-6-4-2/h3-12H2,1-2H3 checkY
    Key: SNRUBQQJIBEYMU-UHFFFAOYSA-N checkY
  • CCCCCCCCCCCC
Properties
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[2]
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)[3]
1.4 nmol Pa−1 kg−1
1.421
Viscosity 1.34 mPa s
Thermochemistry
376.00 J K−1 mol−1
490.66 J K−1 mol−1
−353.5–−350.7 kJ mol−1
−7901.74 kJ mol−1
Hazards
GHS labelling:
GHS08: Health hazard
Danger
H304
P301+P310, P331
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineFlammability 2: Must be moderately heated or exposed to relatively high ambient temperature before ignition can occur. Flash point between 38 and 93 °C (100 and 200 °F). E.g. diesel fuelInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
1
2
0
Flash point 71 °C (160 °F; 344 K)
205 °C (401 °F; 478 K)
Explosive limits 0.6%
Safety data sheet (SDS) hazard.com
Related compounds
Related alkanes
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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).

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.[4]

  1. ^ "n-dodecane - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 16 September 2004. Identification and Related Records. Retrieved 4 January 2012.
  2. ^ "Dodecane".
  3. ^ "Dodecane".
  4. ^ Rydberg, Jan (2004). Solvent Extraction Principles and Practice. Marcel Dekker. p. 524. ISBN 0-8247-5063-2.