Product Identification
【Product Name】1,2-Dihydroxy-9,10-anthracenedione 茜素
【Synonyms】
1,2-Dihydroxy-9,10-anthracenedione
1,2-Dihydroxyanthracene-9,10-dione
Alizarine Red B
D And C Orange Number 15
Mordant Red 11
Turkey red
【CAS】72-48-0
【Formula】C14H8O4
【Molecular Weight】240.22
【EINECS】200-782-5
【RTECS】CB6580000
【RTECS Class】Mutagen; Primary Irritant
【Merck】13,246
【Beilstein/Gmelin】1914037
【Beilstein Reference】4-08-00-03256
Physical and Chemical Properties
【Appearance】Orange solid.
【Solubility in water】Insoluble
【Boiling Point】430
【Density】1.54 g/cm3
【pKa/pKb】6.77 (pKa)
【Usage】Substance is used in the manufacture of acid and chrome dyes for wool.
【Refractive Index】1.6715 (223 C)
First Aid Measures
【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.
【Inhalation】Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear.
【Skin】Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
【Eyes】Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Handling and Storage
【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. Wash hands before eating. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with skin and eyes. Avoid ingestion and inhalation.
Hazards Identification
【Ingestion】May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
【Inhalation】May cause respiratory tract irritation.
【Skin】May cause skin irritation. Prolonged and/or repeated contact may cause irritation and/or dermatitis.
【Eyes】May cause eye irritation.
【EC Safety Phrase】S 22 24/25
Exposure Controls/Personal Protection
【Personal Protection】Eyes: Wear appropriate protective eyeglasses or chemical safety ggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate 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.
【Poison Class】3
Fire Fighting Measures
【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. Use agent most appropriate to extinguish fire.
Accidental Release Measures
【Small spills/leaks】Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Provide ventilation.
Stability and Reactivity
【Stability】Stable under normal temperatures and pressures.
【Incompatibilities】Strong oxidizing agents and bases.
【Decomposition】Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.