Methyl 4-hydroxy-2-butynoate

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Names

[ CAS No. ]:
31555-05-2

[ Name ]:
Methyl 4-hydroxy-2-butynoate

[Synonym ]:
hydroxymethylpropargylic methyl ester
methyl 4-hydroxy-2-but-2-ynoate
methyl 3-hydroxy-2-butynoate
4-hydroxybut-2-ynoic acid methyl ester
Methyl 4-hydroxy-2-butynoate
2-Butynoic acid, 4-hydroxy-, methyl ester

Chemical & Physical Properties

[ Density]:
1.2±0.1 g/cm3

[ Boiling Point ]:
219.9±23.0 °C at 760 mmHg

[ Molecular Formula ]:
C5H6O3

[ Molecular Weight ]:
114.099

[ Flash Point ]:
95.7±16.1 °C

[ Exact Mass ]:
114.031693

[ PSA ]:
46.53000

[ LogP ]:
0.64

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

[ Index of Refraction ]:
1.468

Safety Information

[ HS Code ]:
2918199090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Methyl 4-(tetrahydro-2H-pyran-2-yloxy)-2-butynoate
  • Methanol
  • carbon monoxide
  • Propargyl alcohol
  • 2-(propargyloxy)tetrahydropyran
  • diazomethane
  • 4-Hydroxybut-2-ynoic acid

DownStream

  • Phthalide
  • 3-Bromo-2(5H)-furanone
  • (Z)-3-Brom-4-hydroxy-2-butensaeure-methylester
  • 2(5H)-Furanone,4-phenyl-
  • methyl 4-methoxycarbonyloxybut-2-ynoate
  • methyl 4-(2-iodoacetyl)oxybut-2-ynoate
  • methyl 4-acetyloxybut-2-ynoate
  • methyl 4-diethoxyphosphoryloxybut-2-enoate
  • 4,7-dimethoxy-3H-2-benzofuran-1-one

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

  • methyl 4-hydroxy-2-[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)carbamoylsulfamoyl]benzoate
  • methyl 4-hydroxy-2-methylthiophene-3-carboxylate
  • METHYL 4-HYDROXY-2-METHOXYNICOTINATE
  • methyl 4-hydroxy-2,2,6,6-tetramethylpiperidine-4-carboxylate,sulfuric acid
  • methyl 4-hydroxy-2,2,6,6-tetramethylpiperidin-1-ium-4-carboxylate,chloride
  • methyl 4-hydroxy-2,6-dimethoxybenzoate