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3-Methylpentane





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(Redirected from 3-methylpentane)
  

3-Methylpentane is a branched alkane with the molecular formulaC6H14. It is a structural isomerofhexane composed of a methyl group bonded to the third carbon atom in a pentane chain. It is of similar structure to the isomeric 2-methylpentane, which has the methyl group located on the second carbon of the pentane chain.

3-Methylpentane
Skeletal formula of 3-methylpentane
Ball and stick model of 3-methylpentane
Ball and stick model of 3-methylpentane
Spacefill model of 3-methylpentane
Spacefill model of 3-methylpentane
Names
Preferred IUPAC name

3-Methylpentane[1]

Identifiers

CAS Number

3D model (JSmol)

Beilstein Reference

 1730734
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.002.257 Edit this at Wikidata
EC Number
  • 202-481-4
MeSH 3-methylpentane

PubChem CID
RTECS number
  • SA2995500
UNII
UN number 1208

CompTox Dashboard (EPA)

  • InChI=1S/C6H14/c1-4-6(3)5-2/h6H,4-5H2,1-3H3 checkY

    Key: PFEOZHBOMNWTJB-UHFFFAOYSA-N checkY

  • CCC(C)CC

Properties

Chemical formula

 C6H14
Molar mass 86.178 g·mol−1
Appearance Colorless liquid
Odor Odorless
Density 664 mg mL−1
Melting point −162.8 °C; −261.1 °F; 110.3 K
Boiling point 62.9 to 63.7 °C; 145.1 to 146.6 °F; 336.0 to 336.8 K

Solubility in water

 Insoluble
log P 3.608
Vapor pressure 18.0 kPa (at 17 °C)

Henry's law
constant (kH)

 8.8 mol Pa−1kg−1

Magnetic susceptibility (χ)

 -75.52·10−6cm3/mol

Refractive index (nD)

 1.376
Thermochemistry

Heat capacity (C)

 191.16 J K−1 mol−1

Std molar
entropy (S⦵298)

 292.5 J K−1 mol−1

Std enthalpy of
formation (ΔfH⦵298)

 −203.0–−201.0 kJ mol−1

Std enthalpy of
combustion (ΔcH⦵298)

 −4.1608–−4.1590 MJ mol−1
Hazards
GHS labelling:

Pictograms

 GHS02: Flammable GHS07: Exclamation mark GHS08: Health hazard GHS09: Environmental hazard

Signal word

 Danger

Hazard statements

 H225, H304, H315, H336, H411

Precautionary statements

 P210, P261, P273, P301+P310, P331
Flash point −7 °C (19 °F; 266 K)

Autoignition
temperature

 278 °C (532 °F; 551 K)
Explosive limits 1.2–7.7%
NIOSH (US health exposure limits):

PEL (Permissible)

 none[2]
Related compounds

Related alkanes
  • 2-Methylpentane
  • 3-Ethylpentane
  • 2-Methylhexane
  • 3-Methylhexane

    • Related compounds
  • Valnoctamide

    • 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 ?)

    Infobox references

    It is formed by (Pentan-2-ol)+(3-methyl)=3-methylpentan-2-ol

    References

    edit
    1. ^ "3-methylpentane - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identification and Related Records. Retrieved 5 March 2012.
  • ^ NIOSH Pocket Guide to Chemical Hazards. "#0323". National Institute for Occupational Safety and Health (NIOSH).
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    Last edited on 21 February 2024, at 06:27  





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    ●This page was last edited on 21 February 2024, at 06:27 (UTC).
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