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

3-Methylheptane
Skeletal formula of 3-methylheptane
Ball-andStick model of 3-methylheptane
Names
Preferred IUPAC name
3-Methylheptane[1]
Identifiers
3D model (JSmol)
1730777
ChemSpider
ECHA InfoCard 100.008.783 Edit this at Wikidata
EC Number
  • 209-660-6
UNII
UN number 1262
  • InChI=1S/C8H18/c1-4-6-7-8(3)5-2/h8H,4-7H2,1-3H3 checkY-
    Key: LAIUFBWHERIJIH-UHFFFAOYSA-N checkY
  • CCCCC(C)CC
Properties
C8H18
Molar mass 114.232 g·mol−1
Appearance Colourless liquid
Odor Odourless
Density 705 mg mL−1
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)
2.7 nmol Pa−1 kg−1
-97.99·10−6 cm3/mol
1.398–1.399
Thermochemistry
250.20 J K−1 mol−1
362.6 J K−1 mol−1
−253.6–−251.4 kJ mol−1
−5469.5–−5466.9 kJ mol−1
Hazards
GHS labelling:
GHS02: Flammable GHS07: Exclamation mark GHS08: Health hazard GHS09: Environmental hazard
Danger
H225, H304, H315, H336, H410
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 [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)

Its refractive index is 1.398 (20 °C, D).[citation needed]

References

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