4,9-dimethoxy-5-oxo-5H-furo[3,2-g]chromene-7-carboxylic acid

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Names

[ CAS No. ]:
25944-28-9

[ Name ]:
4,9-dimethoxy-5-oxo-5H-furo[3,2-g]chromene-7-carboxylic acid

[Synonym ]:
4,9-Dimethoxy-5-oxo-5H-furo<3,2-g><1>benzopyran-7-carbonsaeure

Chemical & Physical Properties

[ Density]:
1.509g/cm3

[ Boiling Point ]:
518.5ºC at 760 mmHg

[ Molecular Formula ]:
C₁₄H₁₀O₇

[ Molecular Weight ]:
290.22500

[ Flash Point ]:
267.4ºC

[ Exact Mass ]:
290.04300

[ PSA ]:
99.11000

[ LogP ]:
2.25460

[ Vapour Pressure ]:
1.41E-11mmHg at 25°C

[ Index of Refraction ]:
1.641

Safety Information

[ HS Code ]:
2932999099

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%