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Thiophene, also commonly called thiofuran, is a heterocyclic compound with the formula C4H4S. Consisting of a flat five-membered ring, it is aromatic as indicated by its extensive substitution reactions. Related to thiophene are benzothiophene and dibenzothiophene, containing the thiophene ring fused with one and two benzene rings, respectively. Compounds analogous to thiophene include furan (C4H4O) and pyrrole (C4H4NH).
Appearance & Physical State	colourless to pale yellow liquid
Density	1.051
Melting Point	-38ºC
Boiling Point	84ºC
Flash Point	-9ºC
Refractive Index	1.527-1.529
Stability	Stable. Highly flammable. Incompatible with strong oxidizing agents, nitrates.
Storage Condition	Flammables area
Vapor Pressure	81.7mmHg at 25°C

Appearance	Colorless transparent liquid
Assay	≥ 99.0%
Water	≤ 0.1%
Package	200kg/drum

Molecular Formula: C4H4S
Molecular Weight: 84.14
Hazard Symbols: F,Xn,Xi,T
UN Number: UN 2414 3/PG 2
WGKGermany: 3
PackingGroup: II
HS Code: 29349990

Assay	99.5% min
Appearance	Colorless transparent liquid