2,1-Benzoxazole-3-carboxylic acid

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Names

[ CAS No. ]:
642-91-1

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

[Synonym ]:
2,1-Benzisoxazol-3-carboxylsaeure
2,1-Benzoxazole-3-carboxylic acid
Anthroxansaeure
2,1-BENZISOXAZOLE-3-CARBOXYLIC ACID
F2167-0177

Chemical & Physical Properties

[ Density]:
1.5±0.1 g/cm3

[ Boiling Point ]:
387.3±15.0 °C at 760 mmHg

[ Melting Point ]:
185ºC

[ Molecular Formula ]:
C8H5NO3

[ Molecular Weight ]:
163.130

[ Flash Point ]:
188.0±20.4 °C

[ Exact Mass ]:
163.026947

[ PSA ]:
63.33000

[ LogP ]:
1.20

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

[ Index of Refraction ]:
1.661

[ Storage condition ]:
2-8°C

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
26-36/37/39

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 2,1-benzoxazole-3-carbonitrile
  • ethyl 2-cyano-2-(2-nitrophenyl)acetate
  • 2-Nitrobenzaldehyde
  • 1-hydroxyindole-2,3-dione
  • D-2-nitro-mandelic acid
  • 2-(2-aminophenyl)-2-oxoacetic acid
  • (2-nitrobenzoyl)diazomethane
  • 2-Nitrobenzoyl chloride

DownStream

  • isatin
  • 2,1-Benzisoxazole-3-carboxaldehyde (9CI)
  • 2,1-Benzisoxazole-3-carbonyl chloride (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

  • 6-nitro-2,1-benzoxazole-3-carboxylic acid
  • 5-nitro-2,1-benzoxazole-3-carboxylic acid
  • 4,5,6,7-tetrahydro-2,1-benzoxazole-3-carboxylic acid
  • 5-(TERT-BUTYL)-4,5,6,7-TETRAHYDROBENZO[D]ISOXAZOLE-3-CARBOXYLIC ACID
  • 2,1-Benzisothiazole-3-carboxylic acid
  • 2,1,3-Benzoxadiazole-5-carboxylic acid
  • 8-(2-aminophenyl)-3-(4-fluorobenzyl)-1,7-dimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione
  • benzyl 2-(1,6,7-trimethyl-8-(2-morpholinoethyl)-2,4-dioxo-1H-imidazo[2,1-f]purin-3(2H,4H,8H)-yl)acetate
  • 3-allyl-1,7-dimethyl-9-(4-phenoxyphenyl)-6,7,8,9-tetrahydropyrimido[2,1-f]purine-2,4(1H,3H)-dione
  • 8-(2,4-dimethylphenyl)-3-(4-fluorobenzyl)-1,6,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione
  • 8-(2-chloroethyl)-3-cinnamyl-1,6,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione
  • ethyl 2-(1,7-dimethyl-8-(3-morpholinopropyl)-2,4-dioxo-1H-imidazo[2,1-f]purin-3(2H,4H,8H)-yl)acetate
  • 1,7-bis(4-chlorobenzyl)-3,9-dimethyl-7,9-dihydro-[1,2,4]triazino[3,4-f]purine-6,8(1H,4H)-dione
  • 3-(3,4-dichlorobenzyl)-1,6,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione
  • CID 16626466
  • 2-(2-(1H-Pyrazol-1-yl)ethoxy)aniline
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