ChemicalBook >>(S)-Equol>>(S)-3,4-Dihydro-3-(4-hydroxyphenyl)-2H-1-benzopyran-7-ol(531-95-3)

(S)-3,4-Dihydro-3-(4-hydroxyphenyl)-2H-1-benzopyran-7-ol(531-95-3)

(S)-3,4-Dihydro-3-(4-hydroxyphenyl)-2H-1-benzopyran-7-ol(531-95-3)
Product IdentificationBack to Contents
【Product Name】

(S)-3,4-Dihydro-3-(4-hydroxyphenyl)-2H-1-benzopyran-7-ol
【Synonyms】

(3S)-3-(4-Hydroxyphenyl)chroman-7-ol
(R,S)-Equol
(S)-(-)-4',7-Isoflavandiol
(S)-3,4-Dihydro-3-(4-hydroxyphenyl)-2H-1-benzopyran-7-ol
Equol
【CAS】

531-95-3
【Formula】

C15H14O3
【Molecular Weight】

242.27
【EINECS】

208-522-2
【Merck】

12,3677
Physical and Chemical PropertiesBack to Contents
【Appearance】

White to off-white to light yellow crystalline powder.
【Solubility in water】

Insoluble
【Melting Point】

189 - 190.5
【Boiling Point】

442
【Vapor Pressure】

2.1E-8 (25 C)
【Density】

1.286 g/cm3 (20 C)
【pKa/pKb】

9.67 (pKa)
【Partition Coefficient】

2.98
【Heat Of Vaporization】

72.6 kJ/mol
【Usage】

May have beneficial effects on the incidence of prostate cancer.
First Aid MeasuresBack to Contents
【Ingestion】

If swallowed, wash out mouth with copious amounts of water; call a physician.
【Inhalation】

If inhaled, remove to fresh air; if breathing is difficult, give oxygen; if breathing stops, give artificial respiration.
【Skin】

Flush with copious amounts of water; remove contaminated clothing and shoes; call a physician.
【Eyes】

Flush with copious amounts of water; assure adequate flushing by separating the eyelids with fingers; call a physician.
Handling and StorageBack to Contents
【Storage】

Store at -20 C.
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Wear self-contained breathing apparatus, protective clothing and heavy rubber gloves. Chemical safety goggles.
【Respirators】

NIOSH/MSHA-approved respirato
【Exposure Effects】

May be an irritant; may cause irritation to eyes, skin, mucous membranes.
Fire Fighting MeasuresBack to Contents
【Flash Point】

221
【Fire Fighting】

Suitable extinguishing agents: water spray, carbon dioxide, dry chemical powder or foam. Protective equipment: Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Absorb solutions with finely-powdered liquid-binding material (diatomite, universal binders); decontaminate surfaces and equipment by scrubbing with alcohol.
Stability and ReactivityBack to Contents
【Incompatibilities】

Acids and bases.
【Stability】

Sensitive to light and heat.
【Decomposition】

Oxides of carbon.
【Combustion Products】

May emit toxic fumes under fire condition.
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