Product Identification

Product Name

5,7-Dihydroxy-2-(4-hydroxyphenyl)-2,3-dihydro-4H-chromen-4-one

Synonyms

(2S)-Naringenin
4',5,7-Trihydroxyflavanone
4H-1-Benzopyran-4-one, 2,3-dihydro-5,7-dihydroxy-2-(4-hydroxyphenyl)-, (2S)-
Naringenine
Naringetol
Salipurpol

CAS

480-41-1

Formula

C15H12O5

Molecular Weight

272.26

EINECS

207-550-2

RTECS

DJ2981530

RTECS Class

Mutagen

Merck

12,6511

Beilstein/Gmelin

90699

Beilstein Reference

5-18-04-00524

Physical and Chemical Properties

Appearance

Beige powder. A citrus derived flavonoid.

Solubility in water

Insoluble

Melting Point

264 - 268

pKa/pKb

7.58 (pKa)

Usage

Antioxidant.

First Aid Measures

Ingestion

Get medical aid. Wash mouth out with water.

Inhalation

Remove from exposure to fresh air immediately.

Skin

Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.

Eyes

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids.

Handling and Storage

Storage

Store in a cool, dry place. Store in a tightly closed container.

Handling

Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.

Hazards Identification

Inhalation

Causes respiratory tract irritation.

Skin

Causes skin irritation.

Eyes

Causes eye irritation.

Ingestion

The toxicological properties of this substance have not been fully investigated.

Exposure Controls/Personal Protection

Personal Protection

Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear a chemical apron.

Respirators

A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.

Exposure Effects

The toxological properties of this substance have not been fully investigated.

Fire Fighting Measures

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Use foam, dry chemical, or carbon dioxide.

Accidental Release Measures

Small spills/leaks

Vacuum or sweep up material and place into a suitable disposal container.

Stability and Reactivity

Stability

No data.

Incompatibilities

Sterk oxyderend middel.

Decomposition

Carbon monoxide, carbon dioxide.