2,2,4-Trimethylpentane

2,2,4-Trimethylpentane is an organic compound with the molecular formula C8H18.

Formula
C8H18
Functional group
Alkanes
Molar mass
114.23 g/mol
Also known as
Isooctane, Pentane, 2,2,4-trimethyl-, ISO-OCTANE, HSDB 5682

Overview

2,2,4-Trimethylpentane is an organic compound with the molecular formula C8H18.

Identifiers

Formula
C8H18
Functional group
Alkanes
Molar mass
114.23 g/mol
Also known as
Isooctane, Pentane, 2,2,4-trimethyl-, ISO-OCTANE, HSDB 5682
Chemical identifiers
SMILES
CC(C)CC(C)(C)C
InChI
InChI=1S/C8H18/c1-7(2)6-8(3,4)5/h7H,6H2,1-5H3
PubChem CID
10907

Properties

Melting Point
-107.45 °C
Boiling Point
99.238 °C
Relative density (water = 1)
Relative density (water = 1): 0.69
Water solubility
Solubility in water: none

Related compounds

References

  1. PubChem Compound Summary: 2,2,4-Trimethylpentane (CID 10907)National Center for Biotechnology Information · PubChem

    Identity, molecular formula, molecular weight and aliases retrieved via PUG REST on 2026-09-08.

  2. Hazardous Substances Data Bank (HSDB): 2,2,4-Trimethylpentane — melting pointHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/10907#section=Melting-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Budavari, S. (ed.). The Merck Index - Encyclopedia of Chemicals, Drugs and Biologicals. Rahway, NJ: Merck and Co., Inc., 1989., p. 817

  3. Hazardous Substances Data Bank (HSDB): 2,2,4-Trimethylpentane — boiling pointHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/10907#section=Boiling-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Lide, D.R. (ed). CRC Handbook of Chemistry and Physics. 72nd ed. Boca Raton, FL: CRC Press, 1991-1992., p. 3-365

  4. ILO-WHO International Chemical Safety Cards (ICSCs): 2,2,4-Trimethylpentane — densityILO-WHO International Chemical Safety Cards (ICSCs)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/10907#section=Density. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred.

  5. ILO-WHO International Chemical Safety Cards (ICSCs): 2,2,4-Trimethylpentane — solubilityILO-WHO International Chemical Safety Cards (ICSCs)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/10907#section=Solubility. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred.