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-[1-(2-methylpropyl)-1H-pyrazol-5-yl]butan-2-amine
  • Ethyl 3-(1-chlorocyclopropyl)-3-oxopropanoate
  • 3-(4-bromo-3,5-dimethyl-phenyl)azetidin-3-ol
  • Benzyl 3-(1-hydroxycyclopropyl)pyrrolidine-1-carboxylate
  • tert-butyl N-{1-[(piperidin-4-yl)methyl]azetidin-3-yl}carbamate
  • N-methyl-N-(thiophen-3-yl)carbamoyl chloride
  • (9H-fluoren-9-yl)methyl N-{[3-hydroxy-1-phenyl-3-(trifluoromethyl)cyclobutyl]methyl}carbamate
  • 2-[3-(1H-imidazol-1-yl)propyl]cyclobutan-1-ol
  • 3-[(1-cyclobutyl-1H-pyrazol-5-yl)carbamoyl]-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid
  • 5-Ethyl-5-azaspiro[3.4]octan-8-amine
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