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HomeProduct name list3-Methylthiophene

3-Methylthiophene

  • CAS NO.:616-44-4
  • Empirical Formula: C5H6S
  • Molecular Weight: 98.17
  • MDL number: MFCD00005470
  • EINECS: 210-482-6
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-08-21 22:41:43
3-Methylthiophene Structural

What is 3-Methylthiophene?

Chemical properties

clear colorless to light yellow liquid

The Uses of 3-Methylthiophene

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.

The Uses of 3-Methylthiophene

A thiophene derivative used as an electropolymerization monomer in conducting polymer research.

The Uses of 3-Methylthiophene

Conducting polymer precursor.1

The Uses of 3-Methylthiophene

3-Methylthiophene is found in coffee and coffee products. it is a maillard product, present in roast coffee aroma.
3-Methylthiophene is a member of thiophenes. Conducting polymer precursor. Copolymerization of 3-alkylthiophene and 3-methylthiophene is a promising approach to provide a polymer which has both solution processible property and high electrical conductivity.

Definition

ChEBI: 3-Methylthiophene is a member of thiophenes.

Purification Methods

Dry it with Na2SO4, then distil it from sodium. [Beilstein 17 III/IV 277, 17/1 V 331.]

Properties of 3-Methylthiophene

Melting point: -69 °C (lit.)
Boiling point: 114 °C/738 mmHg (lit.)
Density  1.016 g/mL at 25 °C (lit.)
vapor pressure  42.4 mm Hg ( 37.7 °C)
refractive index  n20/D 1.519(lit.)
Flash point: 52 °F
storage temp.  Flammables area
solubility  0.40g/l
form  Liquid
color  Clear colorless to light yellow
Specific Gravity 1.016
Water Solubility  insoluble
BRN  1300
Stability: Volatile
CAS DataBase Reference 616-44-4(CAS DataBase Reference)
NIST Chemistry Reference Thiophene, 3-methyl-(616-44-4)
EPA Substance Registry System Thiophene, 3-methyl- (616-44-4)

Safety information for 3-Methylthiophene

Signal word Danger
Pictogram(s)
ghs
Flame
Flammables
GHS02
GHS Hazard Statements H225:Flammable liquids
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233:Keep container tightly closed.
P240:Ground/bond container and receiving equipment.
P241:Use explosion-proof electrical/ventilating/lighting/…/equipment.
P242:Use only non-sparking tools.
P243:Take precautionary measures against static discharge.

Computed Descriptors for 3-Methylthiophene

InChIKey QENGPZGAWFQWCZ-UHFFFAOYSA-N

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