1,2-benzoxazole-3-carboxylic acid

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Names

[ CAS No. ]:
28691-47-6

[ Name ]:
1,2-benzoxazole-3-carboxylic acid

[Synonym ]:
1,2-Benzisoxazole-3-carboxylicacid
benzisoxazole-3-carboxylic acid
Benzo[d]isoxazole-3-carboxylic acid
3-carboxy-1,2-benzisoxazole
1,2-Benzisoxazole-3-carboxylic acid
1,2-benzoxazole-3-carboxylic acid
Benzo[d]isoxazole-3-carboxylicacid

Chemical & Physical Properties

[ Density]:
1.5±0.1 g/cm3

[ Boiling Point ]:
379.8±15.0 °C at 760 mmHg

[ Molecular Formula ]:
C8H5NO3

[ Molecular Weight ]:
163.130

[ Flash Point ]:
183.5±20.4 °C

[ Exact Mass ]:
163.026947

[ PSA ]:
63.33000

[ LogP ]:
1.31

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

[ Index of Refraction ]:
1.661

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
Xn

[ HS Code ]:
2934999090

Synthetic Route

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Precursor & DownStream

Precursor

  • Ethyl benzo[d]isoxazole-3-carboxylate
  • hydroxyimino-(2-nitro-phenyl)-acetic acid ethyl ester
  • (2-Nitrophenyl)acetic acid
  • Ethyl 2-Nitrophenylacetate

DownStream

  • 2-Cyanophenol
  • Carbon dioxide
  • 5-nitro-3-carboxybenzisoxazole
  • Ethanone, 1-(1,2-benzisoxazol-3-yl)- (9CI)

Customs

[ HS Code ]: 2934999090

[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 5-nitro-1,2-benzoxazole-3-carboxylic acid
  • 6-Amino-1,2-benzoxazole-3-carboxylic acid
  • 5-Bromo-1,2-benzoxazole-3-carboxylic acid
  • 6-nitro-1,2-benzoxazole-3-carboxylic acid
  • 6-bromo-1,2-benzoxazole-3-carboxylic acid
  • 6-oxo-2H-1,2-benzoxazole-3-carboxylic acid