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
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 | n |
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) |
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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