ChemicalBook >>8-Methoxypsoralen>>Methoxsalen(298-81-7)

Methoxsalen(298-81-7)

Methoxsalen(298-81-7)
Product IdentificationBack to Contents
【Product Name】

Methoxsalen
【Synonyms】

5-Benzofuranacrylic acid, 6-hydroxy-7-methoxy-, delta-lactone
6-Hydroxy-7-methoxy-5-benzofuranacrylic acid delta-Lactone
7H-Furo(3,2-g)(1)benzopyran-7-one, 9-methoxy-
8-Methoxy-(furano-3'.2':6.7-coumarin)
9-Methoxyfuro[3,2-g]chromen-7-one
Methoxsalen
【CAS】

298-81-7
【Formula】

C12H8O4
【Molecular Weight】

216.19
【EINECS】

206-066-9
【RTECS】

LV1400000
【RTECS Class】

Tumorigen; Drug; Mutagen; Reproductive Effector
【Merck】

12,6068
【Beilstein/Gmelin】

196453
【Beilstein Reference】

5-19-06-00015
Physical and Chemical PropertiesBack to Contents
【Appearance】

Odorless white to cream-colored crystalline solid. Bitter taste followed by tingling sensation.
【Solubility in water】

Slighty soluble
【Melting Point】

147
【Boiling Point】

415
【Vapor Pressure】

4E-7 (25 C)
【Density】

1.539 g/cm3
【Partition Coefficient】

1.31
【Heat Of Vaporization】

66. kJ/mol
【Usage】

Suntan accelerator, sunburn protector.
First Aid MeasuresBack to Contents
【Ingestion】

Never give anything by mouth to an unconscious person. Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
【Inhalation】

Get medical aid immediately. Remove from exposure to fresh air immediately. If breathing is difficult, give oxygen. Do not use mouth-to-mouth respiration if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device.
【Skin】

Get medical aid immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Destroy contaminated shoes.
【Eyes】

Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. Do NOT allow victim to rub or keep eyes closed. Extensive irrigation is required (at least 30 minutes).
Handling and StorageBack to Contents
【Storage】

Corrosives area. Keep containers tightly closed. Store protected from light. Store in a cool, dry area away from incompatible substances.
【Handling】

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well ventilated area. Minimize dust generation and accumulation. Do not get in eyes, on skin, or on clothing. Do not ingest or inhale. Store protected from light. Discard contaminated shoes.
Hazards IdentificationBack to Contents
【Inhalation】

Causes chemical burns to the respiratory tract. Aspiration may lead to pulmonary edema. May cause systemic effects.
【Skin】

Causes skin burns. Contact with the skin may cause photosensitivity. May cause skin rash (in milder cases), and cold and clammy skin with cyanosis or pale color. May cause erythema and blistering.
【Eyes】

Causes eye burns. May cause chemical conjunctivitis and corneal damage.
【Ingestion】

May cause severe and permanent damage to the digestive tract. Causes gastrointestinal tract burns. May cause perforation of the digestive tract. May be harmful if swallowed. May cause systemic effects. May cause nausea, insomnia, nervousness, and depression. May cause liver damage in sufficient quantities.
【Hazards】

When heated, vapors may form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards.
【UN (DOT)】

2810
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【Respirators】

A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
【Exposure Effects】

Effects may be delayed.
【Poison Class】

4
Fire Fighting MeasuresBack to Contents
【Flash Point】

205
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.
【Fire Potential】

This material is probably combustible.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.
Stability and ReactivityBack to Contents
【Stability】

Stable under normal temperatures and pressures. May decompose when exposed to light.
【Incompatibilities】

Strong oxidizing agents, direct light.
【Decomposition】

Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
【Combustion Products】

Fire may produce irritating, corrosive and/or toxic gases.
Transport InformationBack to Contents
【UN Number】

2810
【Hazard Class】

6.1
【Packing Group】

I; II; III
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