Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity
Home > (S)-3,4-Dihydro-3-(4-hydroxyphenyl)-2H-1-benzopyran-7-ol > (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)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity

Product Identification

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 Properties

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 Measures

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 Storage

Storage
Store at -20 C.

Exposure Controls/Personal Protection

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 Measures

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 Measures

Small spills/leaks
Absorb solutions with finely-powdered liquid-binding material (diatomite, universal binders); decontaminate surfaces and equipment by scrubbing with alcohol.

Stability and Reactivity

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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