2,2-Dimethyl-3-butynoic acid

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Names

[ CAS No. ]:
56663-76-4

[ Name ]:
2,2-Dimethyl-3-butynoic acid

[Synonym ]:
3-Butynoic acid, 2,2-dimethyl-
2,2-Dimethyl-3-butynoic acid
2,2-dimethylbut-3-ynoic acid

Chemical & Physical Properties

[ Density]:
1.1±0.1 g/cm3

[ Boiling Point ]:
188.2±23.0 °C at 760 mmHg

[ Molecular Formula ]:
C6H8O2

[ Molecular Weight ]:
112.127

[ Flash Point ]:
85.6±17.3 °C

[ Exact Mass ]:
112.052429

[ PSA ]:
37.30000

[ LogP ]:
0.79

[ Vapour Pressure ]:
0.3±0.7 mmHg at 25°C

[ Index of Refraction ]:
1.463

Safety Information

[ Hazard Codes ]:
C

[ RIDADR ]:
3265.0

[ HS Code ]:
2916190090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 3-chloro-2,2-dimethylbut-3-enoic acid
  • 3-CHLORO-2,2-DIMETHYL-BUT-3-ENOIC ACID METHYL ESTER
  • Methyl 2,2-dimethyl-3-oxobutanoate
  • Carbon dioxide
  • (3-methyl-1-(trimethylsilyl)buta-1,2-dien-1-yl)lithium
  • Butanoic acid,2,2-dimethyl-3-oxo-, ethyl ester
  • 3-Butyn-2-ol,2-methyl-4-(trimethylsilyl)-
  • trimethyl-(3-methyl-1-phenylsulfanylbuta-1,2-dienyl)silane

DownStream

  • 2,7-dimethylocta-2,3,5,6-tetraene
  • 2,2-Dimethylbut-3-ynoic acid benzyl ester

Customs

[ HS Code ]: 2916190090

[ Summary ]:
2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0%

Related Compounds

  • 2,2-Dimethyl-3-butynoic Acid Methyl Ester
  • 2,2-dimethyl-3-butynoic acid benzyl ester
  • 2,2-dimethyl-3-hydroxyundecanoic acid
  • 2,2-Dimethyl-3-pentenoic acid
  • 2,2-dimethyl-3-sulfanylidenebutanoic acid
  • 2,2-dimethyl-3-methylsulfonyl-propanoic acid
  • 1-Methyl-4-nitro-2-(prop-2-yn-1-yl)benzene
  • (2S)-4-(2,4,6-trimethoxyphenyl)butan-2-ol
  • 3-(Aminomethyl)-3-(3-methylfuran-2-yl)cyclobutan-1-ol
  • 2-Methoxy-6-(prop-2-yn-1-yl)pyridine
  • 3-(Pyrrolidin-3-yloxy)-4-(trifluoromethyl)pyridine
  • Ethyl 2-cyano-5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate
  • 2-Bromo-1-(5-bromothiophen-3-yl)ethan-1-ol
  • Ethyl 4-Amino-2,6-dichloro-5-fluoronicotinate
  • 2-Bromo-7-ethyl-3-fluoro-6,7-dihydro-5H-cyclopenta[b]pyridin-7-ol
  • Methyl 5-chloro-3-fluoro-2-nitrobenzoate
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