| Product Identification | Back to Contents | 【Product Name】
2,2'-Dihydroxy-4,4'-dimethoxybenzophenone | 【Synonyms】
2,2'-Dihydroxy-4,4'-dimethoxybenzophenone
4,4'-Dimethoxy-2,2'-dihydroxybenzophenone
Cyasorb UV
Methanone, bis(2-hydroxy-4-methoxyphenyl)-
Uvinul 3049
Uvinul D 49 | 【CAS】
131-54-4 | 【Formula】
C15H14O5 | 【Molecular Weight】
274.27 | 【EINECS】
205-027-3 | 【RTECS】
DJ0900000 | 【RTECS Class】
Mutagen | 【Merck】
13,1100 | 【Beilstein/Gmelin】
1887087 | 【Beilstein Reference】
4-08-00-03505 |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Yellow granular powder. | 【Solubility in water】
Insoluble | 【Melting Point】
139 - 140 | 【Boiling Point】
422 | 【pKa/pKb】
6.80 (pKa) | 【Partition Coefficient】
2.21 | 【Usage】
Used as a ultraviolet light absorber, esp in paints, plastics. |
| First Aid Measures | Back 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 immediately. | 【Inhalation】
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. | 【Skin】
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Remove 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 immediately. |
| Handling and Storage | Back 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. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. |
| Hazards Identification | Back to Contents | 【Inhalation】
Causes respiratory tract irritation. Causes irritation of mucous membrane. | 【Skin】
Causes skin irritation. | 【Eyes】
Causes eye irritation. | 【Ingestion】
May cause irritation of the digestive tract. | 【Hazards】
During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. | 【EC Risk Phrase】
R 36/37/38 | 【EC Safety Phrase】
S 26 36 | 【UN (DOT)】
1325 |
| 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】
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. | 【Exposure Effects】
The toxological properties of this substance have not been fully investigated. |
| Fire Fighting Measures | Back to Contents | 【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. | 【Fire Potential】
Flammable/combustible material. May be ignited by friction, heat, sparks or flames. |
| Stability and Reactivity | Back to Contents | 【Stability】
Stable under normal temperatures and pressures. | 【Incompatibilities】
Strong oxidizing agents. | 【Decomposition】
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, acrid smoke and fumes. | 【Combustion Products】
Fire may produce irritating and/or toxic gases. |
|
| Company Name: |
J & K SCIENTIFIC LTD. |
| Tel: |
010-82848833 400-666-7788 |
| Fax: |
86-10-82849933 |
| WebSite: |
http://www.jkchemical.com |
| Company Name: |
Alfa Aesar |
| Tel: |
400-6106006 |
| Fax: |
021-67582001/03/05 |
| WebSite: |
http://chemicals.thermofisher.cn |
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