3-oxo-1,3-dihydro-benzo[c]isoxazole-4-carboxylic acid

Modify Date: 2024-02-28 12:53:47

3-oxo-1,3-dihydro-benzo[c]isoxazole-4-carboxylic acid Structure
3-oxo-1,3-dihydro-benzo[c]isoxazole-4-carboxylic acid structure
Common Name 3-oxo-1,3-dihydro-benzo[c]isoxazole-4-carboxylic acid
CAS Number 3096-76-2 Molecular Weight 179.130
Density 1.6±0.1 g/cm3 Boiling Point 403.9±47.0 °C at 760 mmHg
Molecular Formula C8H5NO4 Melting Point 191 °C(decomp)
MSDS N/A Flash Point 198.1±29.3 °C

 Names

Name 3-Oxo-1,3-dihydro-2,1-benzoxazole-4-carboxylic acid
Synonym More Synonyms

 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

~%

3-oxo-1,3-dihydro-benzo[c]isoxazole-4-carboxylic acid Structure

3-oxo-1,3-dihyd...

CAS#:3096-76-2

Literature: ICI Patent: US2846307 , 1955 ;

 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%

 Synonyms

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
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