4-HYDROXY-BUT-2-ENOIC ACID

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Names

[ CAS No. ]:
24587-49-3

[ Name ]:
4-HYDROXY-BUT-2-ENOIC ACID

[Synonym ]:
4-hydroxy-but-2-enoic acid

Chemical & Physical Properties

[ Boiling Point ]:
338.7ºC at 760 mmHg

[ Molecular Formula ]:
C4H6O3

[ Molecular Weight ]:
102.08900

[ Flash Point ]:
172.9ºC

[ Exact Mass ]:
102.03200

[ PSA ]:
57.53000

[ Vapour Pressure ]:
6.49E-06mmHg at 25°C

[ Storage condition ]:
2-8°C

Safety Information

[ HS Code ]:
2918199090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • trimethylsilyl 4-bromobut-2-enoate
  • (E)-Ethyl 4-bromobut-2-enoate
  • 4-bromocrotonic acid
  • Ethyl S-4-chloro-3-hydroxybutyrate
  • 3,4-dichlorobutanoic acid
  • (+/-)-ethyl-3,4-epoxybutanoate
  • 2(5H)-Furanone
  • ethyl β-chlorovinylacetate
  • 4t-chloro-but-3-enoic acid ethyl ester

DownStream

Customs

[ HS Code ]: 2918199090

[ Summary ]:
2918199090 other carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Related Compounds

  • 4-Hydroxy-but-2-enoic acid
  • (E)-4-Hydroxy-but-2-enoic acid methyl ester
  • 4-hydroxy-4-phenyl-but-2-enoic acid ethyl ester
  • 4-hydroxy-4-(6-methyl-2,4-dioxopyran-3-ylidene)but-2-enoic acid
  • 4-hydroxy-4-(2-oxo-3,4-dihydro-1H-quinolin-6-yl)but-2-enoic acid
  • 4-hydroxy-2-methylbut-2-enoic acid ethyl ester
  • 4-{2-[(2-methoxy-2-oxoethyl)sulfanyl]-4-oxo-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-3(4H)-yl}benzoic acid
  • Ethyl 4-{[5-(2-amino-4-methyl-1,3-thiazol-5-yl)-1,3,4-thiadiazol-2-yl]amino}benzoate
  • 3,6-dichloro-N-[4-(3,4-dimethoxyphenyl)-1,2,5-oxadiazol-3-yl]-1-benzothiophene-2-carboxamide
  • 3-(2,2-dichloroethenyl)-N-[4-(3,4-dimethoxyphenyl)-1,2,5-oxadiazol-3-yl]-2,2-dimethylcyclopropanecarboxamide
  • N-[4-(3,4-dimethoxyphenyl)-1,2,5-oxadiazol-3-yl]-2-(4-methoxyphenoxy)acetamide
  • isobutyl 2-{[(6-chloro-4-oxo-4H-chromen-2-yl)carbonyl]amino}-4-methyl-1,3-thiazole-5-carboxylate
  • N-{4-[(3,4-dimethyl-1,2-oxazol-5-yl)sulfamoyl]phenyl}-4-oxo-4H-chromene-2-carboxamide
  • N-{3-[(3-ethoxypropyl)carbamoyl]-4,5,6,7-tetrahydro-1-benzothiophen-2-yl}-4-oxo-4H-chromene-2-carboxamide
  • N-{3-[(2-methoxyethyl)carbamoyl]-4,5,6,7-tetrahydro-1-benzothiophen-2-yl}-4-oxo-4H-chromene-2-carboxamide
  • methyl 2-{[(4-oxo-4H-chromen-2-yl)carbonyl]amino}-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate
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