3-Butynoic acid

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Names

[ CAS No. ]:
2345-51-9

[ Name ]:
3-Butynoic acid

[Synonym ]:
but-3-ynoic acid
3-Butynoic acid

Chemical & Physical Properties

[ Density]:
1.2±0.1 g/cm3

[ Boiling Point ]:
194.9±23.0 °C at 760 mmHg

[ Melting Point ]:
188-195ºC

[ Molecular Formula ]:
C4H4O2

[ Molecular Weight ]:
84.07

[ Flash Point ]:
82.6±17.3 °C

[ Exact Mass ]:
84.021126

[ PSA ]:
37.30000

[ LogP ]:
0.10

[ Vapour Pressure ]:
0.2±0.8 mmHg at 25°C

[ Index of Refraction ]:
1.460

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
C

[ RIDADR ]:
2923.0

[ Hazard Class ]:
8，6.1

[ HS Code ]:
2916190090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 3-Butyn-1-ol
  • Carbon dioxide
  • 3-Bromopropyne
  • 1-bromopropa-1,2-diene
  • Allene
  • 1-iodopropa-1,2-diene

DownStream

  • Methyl but-3-ynoate
  • ETHYL 3-BUTYNOATE
  • Carbon dioxide
  • Propyne
  • 3-Decynoic acid
  • 6-Pentyl-2H-pyran-2-one
  • Butyric Acid
  • 6-phenylpyran-2-one
  • 6-(1,3-benzodioxol-5-yl)pyran-2-one

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

  • 3-Butynoic acid,2-oxo
  • 2-Amino-3-butynoic acid
  • 4-Phenyl-3-butynoic acid
  • 2-Hydroxy-3-butynoic acid
  • 2-Hydroxy-3-butynoic acid
  • L-2-amino-3-butynoic acid
  • 4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
  • (4-Methyl-tetrahydro-furan-2-yl)-methanol
  • N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
  • 4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde
  • tert-Butyl-DL-alanine
  • 4-amino-N-[2-tert-butyl-1-(tetrahydro-2H-pyran-4-ylmethyl)-1H-benzimidazol-5-yl]-N-ethylbenzenesulfonamide
  • N-[3-(Aminooxy)propyl]-N-butyl-1-butanamine