Product Identification | Back to Contents | 【Product Name】
2,5-Diketopyrrolidine | 【Synonyms】
2,5-Diketopyrrolidine 2,5-Pyrrolidinedione 2,5-Pyrrolidinone 3,4-Dihydropyrrolidinone Butanimide Pyrrolidine-2,5-dione | 【CAS】
123-56-8 | 【Formula】
C4H5NO2 | 【Molecular Weight】
99.09 | 【EINECS】
204-635-6 | 【RTECS】
WN2200000 | 【RTECS Class】
Drug | 【Merck】
12,9040 | 【Beilstein/Gmelin】
108440 | 【Beilstein Reference】
5-21-09-00438 |
Physical and Chemical Properties | Back to Contents | 【Appearance】
Off-white powder. Faint odor of sweat. | 【Solubility in water】
Very soluble | 【Melting Point】
121 - 124 | 【Boiling Point】
285 | 【Vapor Pressure】
0.002 (25 C) | 【Density】
1.418 g/cm3 | 【pKa/pKb】
9.62 | 【Partition Coefficient】
-.43 | 【Heat Of Vaporization】
52.7 | 【Usage】
Used in a variety of organic synthesis, as well as in some industrial silver plating processes. |
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. |
Handling and Storage | Back to Contents | 【Storage】
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. | 【Handling】
Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. |
Hazards Identification | Back to Contents | 【Inhalation】
May cause respiratory tract irritation. May cause liver and kidney damage. Inhalation of dust may cause respiratory tract irritation. | 【Skin】
May cause skin irritation. | 【Eyes】
May cause eye irritation. | 【Ingestion】
May cause irritation of the digestive tract. May cause liver and kidney damage. | 【EC Safety Phrase】
S 22 24/25 |
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】
May cause liver and kidney damage. | 【Poison Class】
3 |
Fire Fighting Measures | Back to Contents | 【Flash Point】
201 | 【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. |
Accidental Release Measures | Back to Contents | 【Small spills/leaks】
Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation. |
Stability and Reactivity | Back to Contents | 【Disposal Code】
3 | 【Incompatibilities】
Oxidizing agents. | 【Stability】
Stable under normal temperatures and pressures. | 【Decomposition】
Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, nitrogen. |
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Company Name: | Shanghai Boyle Chemical Co., Ltd. |
Tel: | Mr Qiu:021-50182298(Demestic market) Miss Xu:021-50180596(Abroad market) |
Fax: | +86-21-57758967 |
WebSite: | www.boylechem.com |
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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