2-Butenoic acid,2,3-dibromo-4-oxo-

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Names

[ CAS No. ]:
21577-50-4

[ Name ]:
2-Butenoic acid,2,3-dibromo-4-oxo-

[Synonym ]:
2,3-dibromo-4-oxo-but-2-enoic acid
Dibrommaleinaldehydsaeure
2,3-dibromo-4-oxo-crotonic acid
2,3-Dibrom-4-oxo-crotonsaeure
2,3-Dibromo-4-Oxo-2-Butenoic Acid
2,3-Dibromo-4-oxobut-2-enoic acid
2,3-dibromomalealdehydic acid

Chemical & Physical Properties

[ Density]:
2.43g/cm3

[ Boiling Point ]:
321.8ºC at 760mmHg

[ Molecular Formula ]:
C4H2Br2O3

[ Molecular Weight ]:
257.86500

[ Flash Point ]:
148.4ºC

[ Exact Mass ]:
255.83700

[ PSA ]:
54.37000

[ LogP ]:
1.27130

[ Vapour Pressure ]:
5.99E-05mmHg at 25°C

[ Index of Refraction ]:
1.625

Safety Information

[ HS Code ]:
2918300090

Precursor & DownStream

Precursor

  • Furfural
  • Furan-2-carboxylic acid
  • Water
  • Bromine
  • 4-Bromo-2-furoic acid
  • 3,4-Dibromo-2-furancarboxylic acid
  • nitric acid
  • 3,4-dibromo-5H-furan-2-one
  • trans-2,3-dibromo-2-butene-1,4-diol

DownStream

  • 4,5-Dibromopyridazin-3-one
  • Malonic acid
  • Formic Acid
  • bromoethyne
  • Carbon dioxide
  • 1,1,1,2,2,2-hexabromoethane
  • (2Z)-2,3-Dibromo-2-butenedioic acid
  • PENTABROMOETHANE
  • 5-Bromo-4-pyrimidinecarboxylic acid
  • Hydrogen bromide

Customs

[ HS Code ]: 2918300090

[ Summary ]:
2918300090 other carboxylic acids with aldehyde or ketone 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

  • 2,3-Dibromo-4-oxobut-2-enoic acid
  • 3,4-Dibromo-5-hydroxy-2(5H)-furanone
  • (Z)-2,3-Dibromo-4-oxo-2-butenoic acid methyl ester
  • 2,3-dibromo-4,4-diphenylbut-3-enoic acid
  • (2Z)-2,3-Dibromo-4-oxo-2-butenoic acid
  • 3,4-Dichloro-5-hydroxy-2(5H)-furanone