3-Oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid
Names
[ CAS No. ]:
134997-87-8
[ Name ]:
3-Oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid
[Synonym ]:
3-Oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid
3-oxo-4H-1,4-benzoxazine-6-carboxylic acid
2H-1,4-Benzoxazine-6-carboxylic acid, 3,4-dihydro-3-oxo-
3-Oxo-3,4-dihydro-2H-benzo[1,4]oxazine-6-carboxylic acid
Chemical & Physical Properties
[ Density]:
1.5±0.1 g/cm3
[ Boiling Point ]:
471.4±45.0 °C at 760 mmHg
[ Melting Point ]:
310-314℃
[ Molecular Formula ]:
C9H7NO4
[ Molecular Weight ]:
193.156
[ Flash Point ]:
238.9±28.7 °C
[ Exact Mass ]:
193.037506
[ PSA ]:
75.63000
[ LogP ]:
0.87
[ Vapour Pressure ]:
0.0±1.2 mmHg at 25°C
[ Index of Refraction ]:
1.609
Safety Information
[ Hazard Codes ]:
Xn
[ HS Code ]:
2934999090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
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%