5-Methly-2-thiophenecarboxylic acid

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Names

[ CAS No. ]:
1918-79-2

[ Name ]:
5-Methly-2-thiophenecarboxylic acid

[Synonym ]:
5-Methyl-2-thiophenecarboxylic acid
5-methyl-thiophene-2-carboxylic acid
5-methylthiophene-2-carboxylic acid
5-Methyl-2-thenoic Acid
5-Methly-2-thiophenecarboxylic acid
2-methylthiophene-5-carboxylic acid
MFCD00005439
5-Methyl-2-thiophene carboxylic acid
2-Carboxy-5-methylthiophene
EINECS 217-640-3
2-Thiophenecarboxylic acid, 5-methyl-
2-Thiophenecarboxylic acid,5-methyl
Rivaroxaban Impurity 32

Chemical & Physical Properties

[ Density]:
1.3±0.1 g/cm3

[ Boiling Point ]:
274.7±20.0 °C at 760 mmHg

[ Melting Point ]:
135-138 °C(lit.)

[ Molecular Formula ]:
C6H6O2S

[ Molecular Weight ]:
142.176

[ Flash Point ]:
120.0±21.8 °C

[ Exact Mass ]:
142.008850

[ PSA ]:
65.54000

[ LogP ]:
2.03

[ Vapour Pressure ]:
0.0±0.6 mmHg at 25°C

[ Index of Refraction ]:
1.591

MSDS

Click to get detail MSDS

Safety Information

[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S22-S24/25

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 2-Bromo-5-methylthiophene
  • carbon monoxide
  • methylthiol
  • Carbon dioxide
  • Methanol
  • 5-(bromomethyl)thiophene-2-carboxylic acid
  • 1-(5-Methyl-2-thienyl)ethanone
  • Ethanoic anhydride
  • 1-(5-Methylthien-2-yl)propan-1-one
  • 1-Butanone,1-(5-methyl-2-thienyl)-

DownStream

  • Methyl 5-(bromomethyl)-2-thiophenecarboxylate
  • 2-Methyl-3-nitrothiophene-5-carboxylic Acid
  • 2-Methyl-5-nitrothiophene
  • 2-methyl-3,5-dinitro-thiophene
  • TRANS-3-HEXEN-1-OL
  • cis-3-Hexen-1-ol
  • 5-METHYL-THIOPHENE-2-CARBONYL CHLORIDE
  • Methyl Sorbate
  • Methyl 2,5-Dihydro-5-methyl-2-thiophenecarboxylate
  • methyl (E)-3-hexenoate

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

  • 5-Methly-2-thiophenecarboxylic acid
  • 5-Formyl-2-thiophenecarboxylic acid
  • 5-Methyl-2-thiophenecarboxylic acid hydrazide
  • 5-Ethyl-2-thiophenecarboxylic acid
  • 5-Hexyl-2-thiophenecarboxylic acid
  • 5-(TRIMETHYLSILYL)-2-THIOPHENECARBOXYLIC ACID
  • 4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
  • (4-Methyl-tetrahydro-furan-2-yl)-methanol
  • N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
  • 4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde
  • tert-Butyl-DL-alanine
  • 4-amino-N-[2-tert-butyl-1-(tetrahydro-2H-pyran-4-ylmethyl)-1H-benzimidazol-5-yl]-N-ethylbenzenesulfonamide
  • 4-[1-(Hydroxymethyl)cyclohexyl]-1-methylpiperidin-4-ol