| Product Identification | Back to Contents | 【Product Name】
1,8-Dihydroxy-3-methylanthraquinone | 【Synonyms】
1,8-Dihydroxy-3-methylanthracene-9,10-dione
2-Methyl-4,5-dihydroxyanthraquinone
3-Methylchrysazin
Chrysophanic acid
Chrysophanol
Turkey Rhubarb | 【CAS】
481-74-3 | 【Formula】
C15H10O4 | 【Molecular Weight】
254.24 | 【EINECS】
207-572-2 | 【RTECS】
CB6725000 | 【RTECS Class】
Mutagen | 【Merck】
12,2318 | 【Beilstein/Gmelin】
1252300 | 【Beilstein Reference】
4-08-00-03277 |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Golden yellow plates or brown powder. Pale yellow aqueous solutions turn red on addition of alkali. Solutions in concentrated sulfuric acid are red. | 【Solubility in water】
Insoluble | 【Melting Point】
196 - 197 | 【Boiling Point】
480 | 【Vapor Pressure】
3E-10 (25 C) | 【Density】
0.92 g/cm3 (25C) | 【pKa/pKb】
6.34 (pKa) | 【Partition Coefficient】
4.26 | 【Heat Of Vaporization】
78.5 kJ/mol | 【Usage】
Dye. |
| First Aid Measures | Back 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】
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. Wash clothing before reuse. | 【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 Storage | Back to Contents | 【Storage】
Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep away from oxidizing agents. | 【Handling】
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation. Wash clothing before reuse. |
| Hazards Identification | Back to Contents | 【Inhalation】
Causes respiratory tract irritation. Causes irritation of mucous membrane. Exposure may cause coughing, breathing difficulty, and possible pulmonary edema. | 【Skin】
Causes skin irritation. | 【Eyes】
Causes eye irritation. May cause chemical conjunctivitis. | 【Ingestion】
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. |
| Exposure Controls/Personal Protection | Back 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. |
| Fire Fighting Measures | Back to Contents | 【Flash Point】
264 | 【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. Extinguishing media: Use agent most appropriate to extinguish fire. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam. | 【Fire Potential】
This material is probably combustible. |
| Accidental Release Measures | Back to Contents | 【Small spills/leaks】
Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Remove all sources of ignition. Provide ventilation. |
| Stability and Reactivity | Back to Contents | 【Stability】
Stable at room temperature in closed containers under normal storage and handling conditions. | 【Incompatibilities】
Strong oxidizing agents. | 【Decomposition】
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide. |
|
| Company Name: |
cuicheng bio |
| Tel: |
13186333400 |
| Fax: |
|
| WebSite: |
www.cuichengbio.com/ |
| Company Name: |
J & K SCIENTIFIC LTD. |
| Tel: |
010-82848833 400-666-7788 |
| Fax: |
86-10-82849933 |
| WebSite: |
http://www.jkchemical.com |
|