Product Identification

Product Name

5,7-Dimethoxychromen-2-one

Synonyms

5,7-Dimethoxy-2-benzopyrone
5,7-Dimethoxy-2H-1-benzopyran-2-one
5,7-Dimethoxychromen-2-one
5,7-Dimethoxycoumarin
Limettin

CAS

487-06-9

Formula

C11H10O4

Molecular Weight

206.2

EINECS

207-646-4

RTECS

GN6530000

RTECS Class

Mutagen

Merck

12,5517

Beilstein/Gmelin

187066

Beilstein Reference

5-18-03-00199

Physical and Chemical Properties

Solubility in water

Slightly soluble

Melting Point

146 - 149

Boiling Point

388

Vapor Pressure

3E-6 (25 C)

Heat Of Vaporization

63.7 kJ/mol

Usage

Citropten combined with tyrosin transports accelerators directly to pigment cells producing a long-lasting tan.

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 breathing becomes difficult, call a physician.

Skin

In case of contact, immediately wash skin with soap and copious amounts of water.

Eyes

In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Handling and Storage

Storage

Keep tightly closed. Store in a cool dry place.

Hazards Identification

Ingestion

May be harmful if swallowed.

Inhalation

May be harmful if inhaled. Material may be irritating to mucous membranes and upper respiratory tract.

Skin

May cause skin irritation. May be harmful if absorbed through the skin.

Eyes

May cause eye irritation.

Hazards

Emits toxic fumes under fire conditions.

Exposure Controls/Personal Protection

Personal Protection

Compatible chemical-resistant gloves. Chemical safety goggles.

Respirators

Government approved respirator.

Fire Fighting Measures

Flash Point

176

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

Incompatibilities

Strong oxidizing agents.

Decomposition

Carbon monoxide, Carbon dioxide.