3-oxo-1,3-dihydro-benzo[c]isoxazole-4-carboxylic acid
Names
[ CAS No. ]:
3096-76-2
[ Name ]:
3-oxo-1,3-dihydro-benzo[c]isoxazole-4-carboxylic acid
[Synonym ]:
1-oxo-1,3-dihydroisobenzofuran-3-carboxylic acid
3-oxo-1,3-dihydro-2-benzofuran-1-carboxylic acid
3-phthalidecarboxylic acid
phthalide-3-carboxylic acid
3-oxo-1,3-dihydroisobenzofuran-1-carboxylic acid
3-oxo-1,3-dihidroisobenzofuran-1-carboxylic acid
2,1-Benzisoxazole-4-carboxylic acid, 1,3-dihydro-3-oxo-
3-Oxo-1,3-dihydro-2,1-benzoxazole-4-carboxylic acid
4-Carboxy-benzisoxazolon
3-carboxyphthalide
Chemical & Physical Properties
[ Density]:
1.6±0.1 g/cm3
[ Boiling Point ]:
403.9±47.0 °C at 760 mmHg
[ Melting Point ]:
191 °C(decomp)
[ Molecular Formula ]:
C8H5NO4
[ Molecular Weight ]:
179.130
[ Flash Point ]:
198.1±29.3 °C
[ Exact Mass ]:
179.021851
[ PSA ]:
83.30000
[ LogP ]:
1.10
[ Vapour Pressure ]:
0.0±1.0 mmHg at 25°C
[ Index of Refraction ]:
1.638
[ Storage condition ]:
2-8°C
Safety Information
[ HS Code ]:
2934999090
Synthetic Route
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%