n-Octane
CAS 111-65-9C8H18114.23 g/mol
Octane is a straight chain alkane composed of 8 carbon atoms. It has a role as a xenobiotic.
IUPAC: octane
PubChem
Physical & Chemical Properties
| Melting Point | -70.2 °F (USCG, 1999) |
| Boiling Point | 258.1 °F at 760 mmHg (USCG, 1999) |
| Density | 0.703 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Solubility | 7e-05 % at 77 °F (NIOSH, 2024) |
| Flash Point | 56 °F (USCG, 1999) |
| Vapor Pressure | 10 mmHg (NIOSH, 2024) |
| Appearance | N-octane is a colorless liquid with an odor of gasoline. Less dense than water and insoluble in water. Hence floats on water. Produces irritating vapor. |
Data: PubChem · Last updated: 4/20/2026
GHS Classification
No GHS classification data available.
Classification data is sourced from ECHA.
Regulatory Compliance
TSCA
Listed
note: Status based on EPA TSCA Active Inventory · inventory name: TSCA Chemical Substance Inventory
View sourceGlobal Trade Intelligence
No trade flow data available for this chemical.
HS Code(s): 2901
Data: UN Comtrade
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