ChemicalBook >>1,4-Dihydroxyanthraquinone>>1,4-Dihydroxy-9,10-anthracenedione(81-64-1)

1,4-Dihydroxy-9,10-anthracenedione(81-64-1)

1,4-Dihydroxy-9,10-anthracenedione(81-64-1)
Product IdentificationBack to Contents
【Product Name】

1,4-Dihydroxy-9,10-anthracenedione
【Synonyms】

1,4-Dihydroxy-9,10-anthraquinone
1,4-Dihydroxyanthracene-9,10-dione
Chinizarin
Quinizarine
Smoke Orange R
【CAS】

81-64-1
【Formula】

C14H8O4
【Molecular Weight】

240.22
【EINECS】

201-368-7
【RTECS】

CB6600000
【RTECS Class】

Mutagen; Primary Irritant
【Merck】

12,8250
【Beilstein/Gmelin】

1914036
【Beilstein Reference】

4-08-00-03260
Physical and Chemical PropertiesBack to Contents
【Appearance】

Orange crystals from acetic acid; orange plates from ether; deep red
【Solubility in water】

soluble in hot water
【Melting Point】

202
【Boiling Point】

465
【Vapor Pressure】

3E-9 (25 C)
【Density】

1.278 g/cm3 (20 C)
【pKa/pKb】

7.54 (pKa)
【Partition Coefficient】

3.7
【Heat Of Vaporization】

75.5 kJ/mol
【Heat Of Combustion】

-6057 kJ/mol
【Usage】

Antioxidant in synthetic lubricants.
【Vapor Density】

8.3
First Aid MeasuresBack to Contents
【Ingestion】

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.
【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. 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. Get medical aid.
Handling and StorageBack to Contents
【Storage】

Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances.
【Handling】

Wash thoroughly after handling. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Hazards IdentificationBack to Contents
【Ingestion】

May cause irritation of the digestive tract.
【Inhalation】

May cause respiratory tract irritation.
【Skin】

May cause skin irritation.
【Eyes】

Causes eye irritation.
【EC Safety Phrase】

S 22 24/25
【UN (DOT)】

1325
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】

222
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire, use water fog, dry chemical, carbon dioxide, or regular foam.
【Fire Potential】

Flammable/combustible material. May be ignited by friction, heat, sparks or flames.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal.
Stability and ReactivityBack to Contents
【Stability】

Stable under normal temperatures and pressures.
【Incompatibilities】

Strong oxidizing agents, strong acids.
【Decomposition】

Carbon monoxide, carbon dioxide.
【Combustion Products】

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

1325
【Hazard Class】

4.1
【Packing Group】

II; III
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