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3-Methylheptane

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3-Methylheptane
Skeletal formula of 3-methylheptane
Ball-andStick model of 3-methylheptane
Names
Preferred IUPAC name 3-Methylheptane
Identifiers
CAS Number
3D model (JSmol)
Beilstein Reference 1730777
ChemSpider
ECHA InfoCard 100.008.783 Edit this at Wikidata
EC Number
  • 209-660-6
PubChem CID
UNII
UN number 1262
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C8H18/c1-4-6-7-8(3)5-2/h8H,4-7H2,1-3H3-Key: LAIUFBWHERIJIH-UHFFFAOYSA-N
SMILES
  • CCCCC(C)CC
Properties
Chemical formula C8H18
Molar mass 114.232 g·mol
Appearance Colourless liquid
Odor Odourless
Density 705 mg mL
Melting point −122 to −120 °C; −188 to −184 °F; 151 to 153 K
Boiling point 118 to 120 °C; 244 to 248 °F; 391 to 393 K
Vapor pressure 5.0 kPa (at 37.7 °C)
Henry's law
constant (kH) 		2.7 nmol Pa kg
Magnetic susceptibility (χ) -97.99·10 cm/mol
Refractive index (nD) 1.398–1.399
Thermochemistry
Heat capacity (C) 250.20 J K mol
Std molar
entropy (S298) 		362.6 J K mol
Std enthalpy of
formation (ΔfH298) 		−253.6–−251.4 kJ mol
Std enthalpy of
combustion (ΔcH298) 		−5469.5–−5466.9 kJ mol
Hazards
GHS labelling:
Pictograms GHS02: Flammable GHS07: Exclamation mark GHS08: Health hazard GHS09: Environmental hazard
Signal word Danger
Hazard statements H225, H304, H315, H336, H410
Precautionary statements P210, P261, P273, P301+P310, P331
Flash point 7.2 °C (45.0 °F; 280.3 K)
Explosive limits 0.98–?%
Related compounds
Related alkanes
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). ☒N verify (what is  ?) Infobox references
Chemical compound

3-Methylheptane is a branched alkane isomeric to octane. Its structural formula is CH3CH2CH(CH3)CH2CH2CH2CH3. It has one stereocenter.

Its refractive index is 1.398 (20 °C, D).

References

  1. "3-METHYLHEPTANE - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identification and Related Records. Retrieved 8 March 2012.

External links

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Alkanes
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