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
  • 1-Ethyl-4-(2-isocyanatopropan-2-yl)cyclohexane
  • 2-Bromo-1-(2,4-dimethoxypyridin-3-yl)ethan-1-ol
  • 2-[3-(piperidin-3-yl)propyl]-1H-1,3-benzodiazole
  • 1-[4-(2-isocyanatoethyl)phenyl]-1H-pyrazole
  • 4-(2-Methoxy-4-nitrophenyl)butanoic acid
  • 4-[1-(Methylamino)cyclopropyl]benzene-1,2,3-triol
  • Ethyl 4-(1-hydroxyprop-2-en-1-yl)piperidine-1-carboxylate
  • 9H-xanthen-9-yl 4-methylbenzene-1-sulfonate
  • 3-(Aminomethyl)-3-(dimethyl-1,2-oxazol-4-yl)cyclobutan-1-ol
  • 4-(1-Amino-4,4-dimethylcyclohexyl)piperidin-4-ol
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