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ChemicalBook >>5,7-Dimethoxycoumarin>>5,7-Dimethoxychromen-2-one(487-06-9)

5,7-Dimethoxychromen-2-one(487-06-9)

5,7-Dimethoxychromen-2-one(487-06-9)
Product IdentificationBack to Contents
【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 PropertiesBack to Contents
【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 MeasuresBack to Contents
【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 StorageBack to Contents
【Storage】

Keep tightly closed. Store in a cool dry place.
Hazards IdentificationBack to Contents
【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 ProtectionBack to Contents
【Personal Protection】

Compatible chemical-resistant gloves. Chemical safety goggles.
【Respirators】

Government approved respirator.
Fire Fighting MeasuresBack to Contents
【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 MeasuresBack to Contents
【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 ReactivityBack to Contents
【Incompatibilities】

Strong oxidizing agents.
【Decomposition】

Carbon monoxide, Carbon dioxide.
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