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
  • methyl 6-(4-methylphenyl)-4,7-dioxo-2,3,4,6,7,8,9,10-octahydro-1H-pyrazino[1,2-a]quinoline-5-carboxylate
  • 2-[2-(2,3-dihydro-1,4-benzodioxin-6-ylamino)-2-oxoethyl]-N-ethyl-3-oxooctahydroquinoxaline-1(2H)-carboxamide
  • 1-[(2-{2-[(2-Chlorophenyl)amino]-2-oxoethyl}-3-oxopiperazin-1-yl)acetyl]piperidine-4-carboxamide
  • N-(4-chlorophenyl)-2-{1-[(3,4-dimethoxyphenyl)carbonyl]-3-oxopiperazin-2-yl}acetamide
  • N-(3-methoxyphenyl)-6-{[(1-methyl-1H-imidazol-2-yl)sulfanyl]methyl}-1,3,5-triazine-2,4-diamine
  • N-(3-methoxyphenyl)-6-{[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]methyl}-1,3,5-triazine-2,4-diamine
  • N-(2-methoxyphenyl)-6-[(quinolin-8-yloxy)methyl]-1,3,5-triazine-2,4-diamine
  • 1-{5,7-Dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl}ethan-1-one
  • Ethyl 7-methyl-2-(methylthio)[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
  • Ethyl 2-[(3-chlorobenzyl)sulfanyl]-7-methyl[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
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