Octane
Also known as: EINECS 203-892-1, Heptane, methyl-, MFCD00009556, Methylheptane, 2-, Oatane, Octan, Oktan, Oktanen, Ottani, n-C8H18, n-Octan, n-Octane,AcroSeal,Extra Dry, octane
Octane (CAS 111-65-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H18 and a molecular weight of 114.229 g/mol. Key properties include a melting point of −57 °C(lit.), a boiling point of 126.4±3.0 °C at 760 mmHg, a density of 0.7±0.1 g/cm3 and a flash point of 15.6±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H304 and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 111-65-9
- Jingsj CID
- J-9011-1
- Molecular Formula
- C8H18
- Molecular Weight
- 114.229 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −57 °C(lit.) |
|---|---|
| Boiling Point | 126.4±3.0 °C at 760 mmHg |
| Density | 0.7±0.1 g/cm3 |
| Flash Point | 15.6±0.0 °C |
| Exact Mass | 114.140854 |
| LogP | 5.01 |
| Additional Property | 3.9 (vs air) |
| Vapor Pressure | 14.2±0.1 mmHg at 25°C |
| Refractive Index | 1.402 |
| Additional Property | 0.0007 g/L (20 ºC) |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H304
- H315 — Causes skin irritation
- H336 — May cause drowsiness or dizziness
- H410 — Very toxic to aquatic life with long lasting effects
Customs & Trade Information
| HS Code | 2901100000 |
|---|---|
| Summary | 2901100000 saturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Octane?
The CAS number of Octane is 111-65-9.
What are the molecular formula and molecular weight of Octane?
Octane has molecular formula C8H18 and molecular weight 114.229 g/mol.
Is Octane hazardous?
Octane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H304; H315 — Causes skin irritation.
What are the upstream and downstream products of Octane?
For Octane, Upstream Products: Dichloromethane, Hexylmagnesium chloride, octene; Downstream Products: 2,5-Diethylthiophene, o-xylene, ether.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Octane (CAS 111-65-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9011-1 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.