4-HYDROXY-4-METHYL-PENT-2-YNOIC ACID

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Names

[ CAS No. ]:
50624-25-4

[ Name ]:
4-HYDROXY-4-METHYL-PENT-2-YNOIC ACID

[Synonym ]:
4-Hydroxy-4-methyl-pent-2-in-saeure
4-hydroxy-4-methyl-2-pentynoic acid
4-hydroxy-4-methyl-pent-2-ynoic acid
4-Hydroxy-4-methylpent-2-inolsaeure
4-Hydroxy-4-methyl-pentin-(2)-saeure

Chemical & Physical Properties

[ Density]:
1.243g/cm3

[ Boiling Point ]:
275.8ºC at 760 mmHg

[ Molecular Formula ]:
C6H8O3

[ Molecular Weight ]:
128.12600

[ Flash Point ]:
134.8ºC

[ Exact Mass ]:
128.04700

[ PSA ]:
57.53000

[ Index of Refraction ]:
1.511

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315-H319-H335

[ Precautionary Statements ]:
P261-P305 + P351 + P338

[ RIDADR ]:
NONH for all modes of transport

[ HS Code ]:
2918199090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Acetone
  • Propiolic acidd
  • n-Butyllithium
  • 3-tert-butylperoxy-3-methylbut-1-yne
  • Carbon dioxide
  • Methyl chloroformate
  • 3-Methyl butynol

DownStream

  • 2(3H)-Furanone,dihydro-5,5-dimethyl-
  • 1-(3-aminophenyl)-3-methyl-1-butyn-3-ol
  • 2-methyl-4-(3-nitrophenyl)-3-butyn-2-ol
  • 2(5H)-Furanone,5,5-dimethy
  • 2-methyl-4-(4-methylphenyl)but-3-yn-2-ol

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-4-methyl-pent-2-ynoic acid methyl ester
  • methyl 4-methylpent-2-ynoate
  • ethyl 4-methylpent-2-ynoate
  • (R)-Benzyl 4-hydroxypent-2-ynoate
  • 4-hydroxy-4-phenyl-but-2-ynoic acid ethyl ester
  • 4-hydroxy-4-methyl-2-oxoglutaric acid