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This is an old revision of this page, as edited by Beetstra (talk | contribs) at 15:14, 6 December 2011 (Saving copy of the {{chembox}} taken from revid 464377212 of page Isopentane for the Chem/Drugbox validation project (updated: '').). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Revision as of 15:14, 6 December 2011 by Beetstra (talk | contribs) (Saving copy of the {{chembox}} taken from revid 464377212 of page Isopentane for the Chem/Drugbox validation project (updated: '').)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)
This page contains a copy of the infobox ({{chembox}}) taken from revid 464377212 of page Isopentane with values updated to verified values.
Isopentane
Isopentane
Isopentane
Names
IUPAC name 2-Methylbutane
Other names Methylbutane
Identifiers
CAS Number
3D model (JSmol)
ChEBI
ChemSpider
RTECS number
  • EK4430000
UNII
InChI
  • InChI=1S/C5H12/c1-4-5(2)3/h5H,4H2,1-3H3Key: QWTDNUCVQCZILF-UHFFFAOYSA-N
  • InChI=1/C5H12/c1-4-5(2)3/h5H,4H2,1-3H3Key: QWTDNUCVQCZILF-UHFFFAOYAE
SMILES
  • CC(C)CC
Properties
Chemical formula C5H12
Molar mass 72.15 g/mol
Appearance colorless liquid
Density 0.616 g/ml, liquid
Melting point −159.9 °C (113.3 K)
Boiling point 27.7 °C (300.9 K)
Solubility in water Immiscible
Thermochemistry
Std molar
entropy (S298) 		260.7 J·K·mol
Std enthalpy of
formation (ΔfH298) 		−179 kJ/mol
Std enthalpy of
combustion (ΔcH298) 		−3504 kJ/mol
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineFlammability 4: Will rapidly or completely vaporize at normal atmospheric pressure and temperature, or is readily dispersed in air and will burn readily. Flash point below 23 °C (73 °F). E.g. propaneInstability (yellow): no hazard codeSpecial hazards (white): no code
1 4
Flash point <−51 °C
Explosive limits 1.4–7.6%
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). checkY verify (what is  ?) Infobox references
Tracking categories (test):
Chemical compound
  1. ^ James Wei (1999), Molecular Symmetry, Rotational Entropy, and Elevated Melting Points. Ind. Eng. Chem. Res., volume 38 issue 12, pp. 5019–5027 {{doi:10.1021/ie990588m}}