3,3'-ethylidenebis[4-hydroxy-2-benzopyrone]

Modify Date: 2025-09-26 19:41:35

3,3'-ethylidenebis[4-hydroxy-2-benzopyrone] Structure
3,3'-ethylidenebis[4-hydroxy-2-benzopyrone] structure
Common Name 3,3'-ethylidenebis[4-hydroxy-2-benzopyrone]
CAS Number 1821-16-5 Molecular Weight 350.32200
Density 1.534g/cm3 Boiling Point 520.7ºC at 760 mmHg
Molecular Formula C20H14O6 Melting Point N/A
MSDS N/A Flash Point 188.6ºC

 Names

Name 4-hydroxy-3-[1-(4-hydroxy-2-oxochromen-3-yl)ethyl]chromen-2-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.534g/cm3
Boiling Point 520.7ºC at 760 mmHg
Molecular Formula C20H14O6
Molecular Weight 350.32200
Flash Point 188.6ºC
Exact Mass 350.07900
PSA 100.88000
LogP 3.46240
Vapour Pressure 1.14E-11mmHg at 25°C
Index of Refraction 1.717

 Safety Information

RIDADR UN 2811
Packaging Group III
Hazard Class 6.1(b)
HS Code 2932209090

 Customs

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

 Synonyms

Methyl-dicumarol
4,4'-dihydroxy-3,3'-ethane-1,1-diyl-bis-chromen-2-one
Ethylidene dicoumarol
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