4-Hydroxy-2-thiophenecarboxylic acid

Suppliers

Names

[ CAS No. ]:
40748-90-1

[ Name ]:
4-Hydroxy-2-thiophenecarboxylic acid

[Synonym ]:
2-Thiophenecarboxylic acid,4-hydroxy
4-Hydroxy-thiophen-2-carbonsaeure
3-Hydroxy-5-hydroxycarbonyl-thiophen
2-Thiophenecarboxylic acid, 4-hydroxy-
4-Hydroxy-2-thiophenecarboxylic acid
4-hydroxy-2-thenoic acid
4-hydroxy-thiophene-2-carboxylic acid

Chemical & Physical Properties

[ Density]:
1.6±0.1 g/cm3

[ Boiling Point ]:
381.0±27.0 °C at 760 mmHg

[ Molecular Formula ]:
C5H4O3S

[ Molecular Weight ]:
144.148

[ Flash Point ]:
184.2±23.7 °C

[ Exact Mass ]:
143.988113

[ PSA ]:
85.77000

[ LogP ]:
1.18

[ Vapour Pressure ]:
0.0±0.9 mmHg at 25°C

[ Index of Refraction ]:
1.667

Safety Information

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 2,5-Bis(methoxycarbonyl)-3-hydroxythiophene
  • 2,2-bis-methoxycarbonylmethylsulfanyl-succinic acid dimethyl ester

DownStream

  • methyl 4-methoxythiophene-2-carboxylate

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-Hydroxy-2-thiophenecarboxylic acid methyl ester
  • 4-Hydroxy-5-methyl-2-thiophenecarboxylic acid ethyl ester
  • 4-Acetyl-3-hydroxy-2-thiophenecarboxylic acid
  • 3-Thiophenecarboxylicacid, 4-hydroxy-2-methyl-, ethyl ester
  • methyl 4-hydroxy-2-methylthiophene-3-carboxylate
  • 4-hydroxy-2-oxooctanoic 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
  • 2-Cyclobutanecarbonyl-8,8-difluoro-2,6-diazaspiro[3.4]octane
  • 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