Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity
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3,4',5,7-Tetrahydroxyflavone(520-18-3)

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

Product Identification

Product Name
3,4',5,7-Tetrahydroxyflavone
Synonyms
3,4',5,7-Tetrahydroxyflavone
3,5,7-Trihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one
Campherol
Indigo Yellow
Indigo-Yellow
Robigenin
CAS
520-18-3
Formula
C15H10O6
Molecular Weight
286.24
EINECS
208-287-6
RTECS
LK9275200
RTECS Class
Tumorigen; Mutagen
Merck
12,5288
Beilstein/Gmelin
304401
Beilstein Reference
5-18-05-00251

Physical and Chemical Properties

Appearance
Yellow powder
Solubility in water
Insoluble
Melting Point
304 - 306
Vapor Pressure
7E-16 (25 C)
pKa/pKb
6.93 (pKa)
Usage
Induces significant nuclear dna degradation concurrent with lipid peroxidation.

First Aid Measures

Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
Skin
In case of contact, immediately wash skin with soap and copious amounts of water.
Eyes
In case of contact, immediately flush eyes with copious amounts of water for at least 15 minutes.

Handling and Storage

Storage
Keep tightly closed. Store at -20 C

Hazards Identification

Inhalation
Material is irritating to mucous membranes and upper respiratory tract. May be harmful if inhaled.
Skin
Causes skin irritation. May be harmful if absorbed through the skin.
Eyes
Causes eye irritation.
Ingestion
May be harmful if swallowed.
Hazards
Emits toxic fumes under fire conditions.
EC Risk Phrase
36/37/38
EC Safety Phrase
26 36

Exposure Controls/Personal Protection

Personal Protection
Compatible chemical-resistant gloves. Chemical safety goggles.
Respirators
Government approved respirator.
Exposure Effects
Irritant. Irritating to eyes, respiratory system and skin. Target organ(s): Cardiovascular system. Smooth muscle.

Fire Fighting Measures

Fire Fighting
Extinguish using Water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.

Accidental Release Measures

Small spills/leaks
Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.

Stability and Reactivity

Stability
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, Carbon dioxide.
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