ChemicalBook >>Emodin>>1,3,8-Trihydroxy-6-methylanthraquinone(518-82-1)

1,3,8-Trihydroxy-6-methylanthraquinone(518-82-1)

1,3,8-Trihydroxy-6-methylanthraquinone(518-82-1)
Product IdentificationBack to Contents
【Product Name】

1,3,8-Trihydroxy-6-methylanthraquinone
【Synonyms】

1,3,8-Trihydroxy-6-methyl-9,10-anthracenedione
1,3,8-Trihydroxy-6-methylanthraquinone
3-Methyl-1,6,8-trihydroxyanthraquinone
4,5,7-Trihydroxy-2-methylanthraquinone
Emodin
Rheum emodin
【CAS】

518-82-1
【Formula】

C15H10O5
【Molecular Weight】

270.24
【EINECS】

208-258-8
【RTECS】

CB7920600
【RTECS Class】

Tumorigen; Mutagen
【Merck】

12,3602
【Beilstein/Gmelin】

1888141
【Beilstein Reference】

4-08-00-03575
Physical and Chemical PropertiesBack to Contents
【Appearance】

Orange needles or powder.
【Solubility in water】

Insoluble
【Melting Point】

263
【Boiling Point】

529
【Vapor Pressure】

1E-11 (25 C)
【pKa/pKb】

6.39 (pKa)
【Partition Coefficient】

4.35
【Heat Of Vaporization】

83.4 kJ/mol
【Usage】

Formerly used as a laxative.
First Aid MeasuresBack to Contents
【Ingestion】

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

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【Skin】

Get medical aid. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and 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.
Handling and StorageBack to Contents
【Storage】

Store in a cool, dry place. Keep container closed when not in use.
【Handling】

Wash thoroughly after handling. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Hazards IdentificationBack to Contents
【Ingestion】

May cause irritation of the digestive tract.
【Inhalation】

Causes respiratory tract irritation.
【Skin】

Causes skin irritation.
【Eyes】

Causes eye irritation.
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】

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Fire Fighting MeasuresBack to Contents
【Flash Point】

288
【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 spray, dry chemical, carbon dioxide, or appropriate foam.
【Fire Potential】

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

Wash area with soap and water. Clean up spills immediately, using the appropriate protective equipment. 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.
【Incompatibilities】

Strong oxidizing agents.
【Decomposition】

Carbon monoxide, carbon dioxide, acrid smoke and fumes.
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