5-chloro-3,4-dihydro-8-hydroxy-3-methyl-1h-2-benzopyran-1-one-7-carboxylic acid

Names

[ Name ]:
5-chloro-3,4-dihydro-8-hydroxy-3-methyl-1h-2-benzopyran-1-one-7-carboxylic acid

[Synonym ]:
1H-2-Benzopyran-7-carboxylic acid,5-chloro-3,4-dihydro-8-hydroxy-3-methyl-1-oxo
5-chloro-8-hydroxy-3-methyl-1-oxoisochroman-7-carboxylic acid
3-methyl-5-chloro-7-carboxy-8-hydroxyisocoumarin
5-chloro-8-hydroxy-3,4-dihydro-3-methylisocoumarin-7-carboxylic acid

Chemical & Physical Properties

[ Density]:
1.539g/cm3

[ Boiling Point ]:
521.4ºC at 760mmHg

[ Molecular Formula ]:
C₁₁H₉ClO₅

[ Molecular Weight ]:
256.63900

[ Flash Point ]:
269.2ºC

[ Exact Mass ]:
256.01400

[ PSA ]:
83.83000

[ LogP ]:
1.84520

[ Vapour Pressure ]:
1.06E-11mmHg at 25°C

[ Index of Refraction ]:
1.62

Safety Information

[ HS Code ]:
2932999099

Synthetic Route

Click to get detail synthetic route

Customs

[ HS Code ]: 2932999099

[ Summary ]:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%