Product Name

  • Name

    (-)-Epicatechin gallate

  • EINECS 603-088-4
  • CAS No. 1257-08-5
  • Article Data13
  • CAS DataBase
  • Density 1.8 g/cm3
  • Solubility Soluble in water, acetone, DMSO, methanol.
  • Melting Point 257-258 °C
  • Formula C22H22O10
  • Boiling Point 861.7 °C at 760 mmHg
  • Molecular Weight 442.379
  • Flash Point 305 °C
  • Transport Information
  • Appearance
  • Safety 24/25
  • Risk Codes
  • Molecular Structure Molecular Structure of 1257-08-5 ((-)-Epicatechin gallate)
  • Hazard Symbols
  • Synonyms Benzoicacid, 3,4,5-trihydroxy-,(2R,3R)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-5,7-dihydroxy-2H-1-benzopyran-3-ylester;Benzoicacid, 3,4,5-trihydroxy-,2-(3,4-dihydroxyphenyl)-3,4-dihydro-5,7-dihydroxy-2H-1-benzopyran-3-yl ester,(2R-cis)-;Epicatechol, 3-gallate, (-)- (8CI);Gallic acid, 3-ester with epicatechol, (-)- (8CI);(-)-Epicatechin 3-O-gallate;(-)-Epicatechin 3-gallate;(-)-epi-Catechin 3-O-gallate;3-Galloyl-(-)-epicatechin;3-O-Galloyl-(-)-epicatechin;3-O-Galloylepicatechin;Epicatechin 3-O-gallate;L-Epicatechin gallate;(-)-Epicatechin-3-O-gallate;
  • PSA 177.14000
  • LogP 2.52760

(-)-Epicatechin gallate Chemical Properties

Empirical Formula: C22H18O10
Molecular Weight: 442.3723 g/mol
Index of Refraction: 1.825
Density: 1.8 g/cm3
Flash Point: 305 °C
Enthalpy of Vaporization: 129.49 kJ/mol
Boiling Point: 861.7 °C at 760 mmHg
Vapour Pressure: 3.33E-31 mmHg at 25 °C
Melting point: 257-258 °C
Storage tempreture: 2-8 °C
Structure of (-)-Epicatechin gallate (CAS NO.1257-08-5):
                            
IUPAC Name: [(2R,3R)-2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3,4-dihydro-2H-chromen-3-yl] 3,4,5-trihydroxybenzoate
Product Category of (-)-Epicatechin gallate (CAS NO.1257-08-5): Pharmaceutical Raw Materials

(-)-Epicatechin gallate Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral > 1gm/kg (1000mg/kg)   Japanese Kokai Tokyo Koho Patents. Vol. #93-944,

(-)-Epicatechin gallate Specification

 (-)-Epicatechin gallate (CAS NO.1257-08-5) also can be called (2R,3R)-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol 3-(3,4,5-trihydroxybenzoate) ; and (-)-ECG .

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