3-Methylthiophene Cas:616-44-4

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Product Description:

Product Name: 3-Methylthiophene CAS NO:  616-44-4

 

Synonyms:             

4-Methyl-3-thiopheneboronic acid;

Methylthiophene;

4-methylthiophene;

 

Chemical & Physical Properties:

Appearance: Light brown or colorle liquid

Assay :≥99.0%

Density: 1.016

Boiling Point: 115-117℃

Melting Point: -69℃

Flash Point: 11℃

Refractive Index: 1.518-1.52

Water Solubility: Insoluble

Stability: Stable under normal temperatures and pressures.

Storage Condition: Flammables area

Vapor Pressure: 42.4 mm Hg ( 37.7℃ )

 

Safety Information:

RTECS: XM9800000

Hazard Class: 3

Safety Statements: S16-S26-S37/39

HS Code: 29349990

WGK Germany: 3

Packing Group: II

RIDADR: UN 1993

Risk Statements: R11; R20/22; R36/37/38

Hazard Code: F

 

A thiophene derivative used as an electropolymerization monomer in conducting polymer research. Thiophene, 2-methyIthiopheney and 3-methylthiophene act as inhibitors for the polymerization of trichloroethylene in a solvent used for the degreasing of iron and aluminum, said polymerization being catalyzed by contact of the solvent with the metals. Bonz, in 1885, reported the formation of a dichloroethylthiophene from chlorination of 2-ethylthiophene in the cold. Is Opolski studied the chlorination of 2- and 3-methylthiophenes, 2-ethyl- and 2-butylthiophene and reported constants for the monochloro derivatives. Voerman has chlorinated 3-methylthiophene in the side chain with phosphorus trichloride in the sunlight, but concurrent ring chlorination predominates. 3-Methylthiophene gives a unique reaction with alkyl- or arylsodium in which the substitution takes place exclusively in the 5-position rather than in the expected 2-position.

 

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