Octane
Chemical Compound
Octane is a hydrocarbon and an alkane with the chemical formula C₈H₁₈, and the condensed structural formula CH₆CH₃. Octane has many structural isomers that differ by the amount and location of branching in the carbon chain. One of these isomers, 2,2,4-trimethylpentane is used as one of the standard values in the octane rating scale.


Density: 0.70 g/cm³
Boiling point: 257°F (125°C)
Chemical formula: C₈H₁₈
Average Molar mass: 114.23 g/mol
Melting point: -70.60°F (-57°C)
IUPAC ID: Octane

Product NameCAS No.Tarrif No.PackingUnit
n-Octane,99%111-65-92901100000ISO Tanksmt
n-Octane,99%111-65-92901100000Drumsmt

Key Takeaways

  • Octane is a hydrocarbon with the chemical formula C₈H₁₈ and several structural isomers.
  • 2,2,4-trimethylpentane serves as a standard in the octane rating scale.
  • n-Octane has a density of 0.70 g/cm³ and a boiling point of 257°F (125°C).
  • The average molar mass of n-Octane is 114.23 g/mol, with a melting point of -70.60°F (-57°C).
  • n-Octane CAS 111-65-9 is available in ISO tanks and drums.
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