2H-1-Benzopyran-2-one,3,3'-[(2,4-dimethoxyphenyl)methylene]bis[4-hydroxy-

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Names

[ CAS No. ]:
10172-78-8

[ Name ]:
2H-1-Benzopyran-2-one,3,3'-[(2,4-dimethoxyphenyl)methylene]bis[4-hydroxy-

[Synonym ]:
2H-1-Benzopyran-2-one,3,3'-((2,4-dimethoxyphenyl)methylene)bis(4-hydroxy
3,3-(2',4'-dimethoxybenzylidene)bis(4-hydroxycoumarin)
4,4'-dihydroxy-3,3'-(2,4-dimethoxy-phenylmethanediyl)-bis-chromen-2-one
1-(2,4-dimethoxyphenyl)dicoumarol

Chemical & Physical Properties

[ Density]:
1.477g/cm3

[ Boiling Point ]:
669.7ºC at 760mmHg

[ Molecular Formula ]:
C27H20O8

[ Molecular Weight ]:
472.44300

[ Flash Point ]:
228.5ºC

[ Exact Mass ]:
472.11600

[ PSA ]:
119.34000

[ LogP ]:
4.50800

[ Vapour Pressure ]:
7.55E-19mmHg at 25°C

[ Index of Refraction ]:
1.697

Safety Information

[ HS Code ]:
2932209090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 4-Hydroxycoumarin
  • 2,4-dimethoxybenzaldehyde

DownStream

Customs

[ HS Code ]: 2932209090

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