Octane (CAS 111-65-9) Sigma-Aldrich

Octane molecular structure — Molecular structure

The Sigma-Aldrich catalog lists 10 grades and pack sizes of Octane (CAS 111-65-9). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS	111-65-9
Molecular formula	C8H18
Molecular weight	114.23 g/mol
IUPAC name	octane
Synonyms	n-octane · Oktan · Oktanen · Ottani · X1RV0B2FJV · normal-Octane

Safety & Hazards (GHS) Danger

Flammable

Irritant

Health hazard

Environmental hazard

H225 Highly Flammable liquid and vapor
H304 May be fatal if swallowed and enters airways
H315 Causes skin irritation
H336 May cause drowsiness or dizziness
H400 Very toxic to aquatic life
H410 Very toxic to aquatic life with long lasting effects

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand	Product / grade	Code
Sigma	OCTANE, ANHYDROUS, >=99%	296988-100ML 296988-1L 296988-20L-P2 296988-2L	Request Quote
Sigma	OCTANE, ELECTRONIC GRADE, >=99.999% MET	657042-100ML	Request Quote
Sigma	OCTANE, REAGENT GRADE, 98%	412236-100ML 412236-1L 412236-500ML	Request Quote
Sigma	OCTANE, STANDARD FOR GC	74820-50ML 74820-5ML	Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.