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| CAS No.: | 7295-85-4 |
|---|---|
| Name: | (+/-)-Catechin hydrate |
| Article Data: | 20 |
| Molecular Structure: | |
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|
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| Formula: | C15H14 O6 |
| Molecular Weight: | 290.273 |
| Synonyms: | 2H-1-Benzopyran-3,5,7-triol,2-(3,4-dihydroxyphenyl)-3,4-dihydro-, trans-(?à)-; Catechol, (?à)- (8CI); (?à)-Catechin; (?à)-Catechol; 2H-1-Benzopyran-3,5,7-triol,2-(3,4-dihydroxyphenyl)-3,4-dihydro-, trans-; DL-Catechin; Racemic catechin;dl-Catechin; dl-Catechol; rac-Catechin |
| EINECS: | 230-731-2 |
| Density: | 1.593±0.06 g/cm3(Predicted) |
| Melting Point: | ~200 °C (dec.) |
| Boiling Point: | 630.4±55.0 °C(Predicted) |
| Solubility: | Soluble in methanol. |
| Appearance: | White to yellow powder |
| Hazard Symbols: |
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| Risk Codes: | R36/37/38 |
| Safety: | S26;S36 |
| PSA: | 119.61000 |
| LogP: | 1.48180 |
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Chemistry
Molecular Structure of 2H-1-Benzopyran-3,5,7-triol,2-(3,4-dihydroxyphenyl)-3,4-dihydro-, (2R,3S)-rel- (CAS NO.7295-85-4):
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IUPAC Name: 2-(3,4-dihydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol hydrate
Empirical Formula: C15H16O7
Molecular Weight: 308.2833
Melting Point: ~200 °C (dec.)
storage temp: 2-8°C
Flash Point: 335 °C
Enthalpy of Vaporization: 98.01 kJ/mol
Boiling Point: 630.4 °C at 760 mmHg
Vapour Pressure: 9.29E-17 mmHg at 25°C
H bond acceptors: 6
H bond donors: 5
Freely Rotating Bonds: 6
Polar Surface Area: 55.38 Å2
Product Categories of 2H-1-Benzopyran-3,5,7-triol,2-(3,4-dihydroxyphenyl)-3,4-dihydro-, (2R,3S)-rel- (CAS NO.7295-85-4): Pharmaceutical Raw Materials; Biochemistry; Flavonoids
Safety Profile
Hazard Codes: 
Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
WGK Germany: 3
F: 8-10-23
Specification
2H-1-Benzopyran-3,5,7-triol,2-(3,4-dihydroxyphenyl)-3,4-dihydro-, (2R,3S)-rel- , with CAS number of 7295-85-4, can be called (+/-)-3,3',4',5,7-Flavanpentol ; 3,3',4',5,7-flavanpentol ; (+/-)-catechin ; catechin;catechin, dl- ; catechins ; catechu ; dl-catechin .