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

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Names

[ CAS No. ]:
1821-16-5

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

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

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

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%

Related Compounds

3,3'-(1,1-Ethanediyl)bis(4-hydroxy-5-methyl-2H-chromen-2-one)
3,3'-(4-Hydroxy-1,3-phenylene)bis[3-(4-hydroxyphenyl)isobenzofuran-1(3H)-one]
2-amino-3-(4-hydroxy-2-methylbutan-2-yl)sulfanylpropanoic acid
4-hydroxy-3-[(4-hydroxy-2-oxochromen-3-yl)-pyridin-4-ylmethyl]chromen-2-one
4,4'-dihydroxy-3,3'-(3-methylsulfanyl-propane-1,1-diyl)-bis-chromen-2-one
3'-(4-hydroxy-2-methylphenyl)-quinuclidine-3-spiro-5'-oxazolidine-2',4'-dione trifluoroacetate salt
5-Amino-1-methyl-5,6,7,8-tetrahydroquinolin-2(1H)-one
1-(1,3-Oxazol-5-yl)cyclopentane-1-carboxylic acid
7-(pyrrolidin-3-yl)-1H-indazole
5-amino-1-(3-fluoropropyl)-2,3-dihydro-1H-indol-2-one
1-(3-fluoropropyl)-1H-indol-4-amine
2,3-Dihydro-1-benzofuran-5-ylmethanesulfonyl chloride
2-(4-Morpholinylmethyl)-5-thiazolemethanol
1-(1-methyl-1H-indol-2-yl)prop-2-en-1-ol
N-Methyl-1-phenyl-1-(1H-pyrazol-4-yl)methanamine
3-Methoxy-4,5-dimethylbenzoic acid

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