| Product Identification | Back to Contents | 【Product Name】
Dibenzoyl | 【Synonyms】
1,2-Diphenylethane-1,2-dione
Dibenzoyl
Diphenyl diketone
Diphenylethanedione
Diphenylglyoxal
Esacure KBO | 【CAS】
134-81-6 | 【Formula】
C14H10O2 | 【Molecular Weight】
210.23 | 【EINECS】
205-157-0 | 【RTECS】
DD1925000 | 【RTECS Class】
Primary Irritant | 【Merck】
13,1078 | 【Beilstein/Gmelin】
608047 | 【Beilstein Reference】
4-07-00-02502 | 【EC Class】
irritant |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Yellow crystals. | 【Solubility in water】
Insoluble | 【Melting Point】
95 | 【Boiling Point】
346 | 【Vapor Pressure】
0.0004 (46 C) | 【Density】
1.23 g/cm3 (15 C) | 【Partition Coefficient】
3.08 | 【Usage】
Substance is used in organic syntheses. |
| First Aid Measures | Back to Contents | 【Ingestion】
Never give anything by mouth to an unconscious person. Get medical aid. 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】
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. | 【Handling】
Wash thoroughly after handling. Use only in a well ventilated area. 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】
May cause respiratory tract irritation. Can produce delayed pulmonary edema. | 【Skin】
Causes skin irritation. | 【Eyes】
Causes eye irritation. May cause chemical conjunctivitis. | 【Ingestion】
May cause irritation of the digestive tract. May cause gastrointestinal irritation with nausea, vomiting and diarrhea. | 【EC Risk Phrase】
R 36 | 【EC Safety Phrase】
S 26 36 |
| 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. Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions. | 【Exposure Effects】
Effects may be delayed. | 【Poison Class】
4 |
| 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. |
| 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. Provide ventilation. |
| Stability and Reactivity | Back to Contents | 【Disposal Code】
3 | 【Stability】
Stable at room temperature in closed containers under normal storage and handling conditions. | 【Incompatibilities】
Strong oxidizing agents. | 【Decomposition】
Carbon monoxide, carbon dioxide. |
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| Company Name: | J & K SCIENTIFIC LTD. |
| Tel: | 400-666-7788 +86-10-82848833 |
| Fax: | +86-10-82849933 |
| WebSite: | www.jkchemical.com |
| Company Name: | Meryer (Shanghai) Chemical Technology Co., Ltd. |
| Tel: | +86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-59487313(Beijing) |
| Fax: | +86-(0)21-61259102(Shanghai) +86-(0)755-86170066(ShenZhen) +86-(0)10-88580358(Beijing) |
| WebSite: | www.meryer.com |
| Company Name: | Alfa Aesar |
| Tel: | 400-610-6006; 021-67582000 |
| Fax: | 021-67582001/03/05 |
| WebSite: | www.alfachina.cn |
| Company Name: | BeiJing Hwrk Chemicals Limted |
| Tel: | 4006990298 010-57411839 020-31335234 021-51691807 |
| Fax: | 010-87653215 0757-86311057 021-55236763 |
| WebSite: | www.hwrkchemical.com |
| Company Name: | Energy Chemical |
| Tel: | 021-58432009 / 400-005-6266 |
| Fax: | 021-58436166-800 |
| WebSite: | www.energy-chemical.com |
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