Basic information
- Name:
2H-1-Benzopyran-3,5,7-triol,2-(3,4-dihydroxyphenyl)-3,4-dihydro-, (2R,3S)-rel-
- Superlist Name:
- (+/-)-Catechin hydrate
- CAS No.:
7295-85-4
- Molecular Structure:
- Formula:
- C15H14 O6
- Molecular Weight:
- 308.28
- 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
- Melting Point:
- ~200 °C (dec.)
- Solubility:
- Soluble in methanol.
- Appearance:
- White to yellow powder
- Hazard Symbols:
- Risk Codes:
- R36/37/38
- Safety Description:
- S26;S36 Details
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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 .
