4-methyl-2-acetylthiophene

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Names

[ CAS No. ]:
13679-73-7

[ Name ]:
4-methyl-2-acetylthiophene

[Synonym ]:
MFCD00027395
1-(4-Methyl-2-thienyl)ethanone
1-(4-methylthiophen-2-yl)ethanone
Ethanone, 1- (4-methyl-2-thienyl)-
EINECS 237-180-7
Ethanone, 1-(4-methyl-2-thienyl)-
4-methyl-2-acetylthiophene
2-Acetyl-4-methylthiophene

Chemical & Physical Properties

[ Density]:
1.1±0.1 g/cm3

[ Boiling Point ]:
236.9±20.0 °C at 760 mmHg

[ Molecular Formula ]:
C7H8OS

[ Molecular Weight ]:
140.203

[ Flash Point ]:
97.1±21.8 °C

[ Exact Mass ]:
140.029587

[ PSA ]:
45.31000

[ LogP ]:
1.71

[ Vapour Pressure ]:
0.0±0.5 mmHg at 25°C

[ Index of Refraction ]:
1.536

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H302-H317-H319

[ Precautionary Statements ]:
P280-P305 + P351 + P338

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
Xn: Harmful;

[ Risk Phrases ]:
R20/21/22

[ Safety Phrases ]:
S26-S37/39

[ RIDADR ]:
PG 3

[ WGK Germany ]:
3

[ Packaging Group ]:
III

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 3-Methylthiophene
  • N-Methoxy-N-methylacetamide
  • Ethanoic anhydride
  • 2-ethyl-3-methylthiophene
  • 6,6-dimethyl-2H,6H-thiin-3-one
  • 6,6-dimethyl-2H-thiopyran-3(6H)-one 1-oxide

DownStream

  • 5-Methly-2-thiophenecarboxylic acid
  • 5-acetylthiophene-3-carboxylic acid
  • 1-(4-methylthiophen-2-yl)-4-phenylbutane-1,4-dione

Customs

[ HS Code ]: 2934999090

[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 4-Methyl-2,5-diphenylpyridine
  • (4-methyl-2-pyridin-4-yl-1,3-thiazol-5-yl)methanamine
  • 4-Methyl-2-nitroquinoline
  • 4-methyl-2-(4-oxocyclohexa-2,5-dien-1-ylidene)-3H-1,3-thiazole-5-carboxylic acid
  • 4-METHYL-2-PHENYL-5-PYRIMIDINECARBOHYDRAZIDE
  • 4-methyl-2-phenylchromenylium,tetrafluoroborate