Furan (CAS 110-00-9) Sigma-Aldrich

Furan molecular structure — Molecular structure

The Sigma-Aldrich catalog lists 4 grades and pack sizes of Furan (CAS 110-00-9). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS	110-00-9
Molecular formula	C4H4O
Molecular weight	68.07 g/mol
IUPAC name	furan
Synonyms	Divinylene oxide · Tetrole · Furfuran · Oxacyclopentadiene · Oxole · Furane

Safety & Hazards (GHS) Danger

Flammable

Irritant

Health hazard

H224 Extremely flammable liquid and vapor
H302 Harmful if swallowed
H315 Causes skin irritation
H332 Harmful if inhaled
H341 Suspected of causing genetic defects
H350 May cause cancer
H373 May causes damage to organs through prolonged or repeated exposure
H412 Harmful 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	FURAN	43861-1ML	Request Quote
Sigma	FURAN, 99+%	185922-100ML 185922-500ML 185922-5ML	Request Quote

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