4-(chloromethyl)-7,8-dihydroxy-2-benzopyrone

Names

[ CAS No. ]:
19040-71-2

[ Name ]:
4-(chloromethyl)-7,8-dihydroxy-2-benzopyrone

[Synonym ]:
4-(chloromethyl)-5,7-dihydroxy-2H-chromen-2-one
4-chloromethyl-7,8-dihydroxycoumarin
BB_NC-2140
4-chloromethyldaphnetin
4-(Chloromethyl)-7,8-dihydroxy-2-benzopyrone
4-chloromethyl-7,8-dihydroxy<1>benzopyran-2(H)-one
4-chloromethyl-7,8-dihydroxy-chromen-2-one
4-(chloromethyl)-7,8-dihydroxy-2H-chromen-2-one

Chemical & Physical Properties

[ Density]:
1.569g/cm3

[ Boiling Point ]:
451.7ºC at 760mmHg

[ Molecular Formula ]:
C₁₀H₇ClO₄

[ Molecular Weight ]:
226.61300

[ Flash Point ]:
227ºC

[ Exact Mass ]:
226.00300

[ PSA ]:
70.67000

[ LogP ]:
1.94300

[ Vapour Pressure ]:
8.92E-09mmHg at 25°C

[ Index of Refraction ]:
1.656

Safety Information

[ HS Code ]:
2932209090

Synthetic Route

Click to get detail synthetic route

Customs

[ HS Code ]: 2932209090

[ Summary ]:
2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%