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名称:甲基巯基噻二唑
 

纯度:99.0% 包装:25kg/桶
结构式
             

CAS: 29490-19-5
分子式:  C2H2N2S
分子量:  86.12

中文名称:  噻二唑
                甲基巯基噻二唑
                2-甲基-5-巯基-1,3,4-噻二唑
                2-巯基-5-甲基-1,3,4-噻二唑

英文名称:  Thiadiazole
                   2-mercapto-5-methyl-1,3,4-thiadiazole
                   5-Methyl-1,3,4-thiadiazole-2-thiol
                   2-Mercapto-5-methyl-1,3,4-thiadiazde
                   methyl mercapto thiadiazole
                   1,3,4-thiadiazole
                   1,3.4-Thiadiazole

性质描述:  白色结晶性粉末。熔点184℃。

用途:  抗菌素类药物头孢菌素V的中间体。

其它信息:

Product Identification
【Product Name】5-Methyl-1,3,4-thiadiazole-2-thiol
【Synonyms】噻二唑
【CAS】29490-19-5
【Formula】C3H4N2S2
【Molecular Weight】132.19
【EINECS】249-667-1
【Beilstein/Gmelin】606663

Physical and Chemical Properties
【Appearance】White to light cream powder. With a stench.
【Melting Point】186-187℃
【Boiling Point】333℃
【Partition Coefficient】1.09

First Aid Measures
【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】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】Store in a tightly closed container. Store in a cool, dry 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. Use with adequate ventilation.

Hazards Identification
【Inhalation】Causes irritation of the mucous membrane and upper respiratory tract. May cause headache, nausea, and vomiting.
【Skin】Causes skin irritation.
【Eyes】Causes eye irritation. May cause chemical conjunctivitis.
【Ingestion】May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
【EC Risk Phrase】R 36/37/38
【EC Safety Phrase】S 26 36

Exposure Controls/Personal Protection
【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
【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 spray, dry chemical, carbon dioxide, or appropriate foam.

Accidental Release Measures
【Small spills/leaks】Wash area with soap and water. 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
【Stability】Stable under normal temperatures and pressures.
【Incompatibilities】Strong oxidizing agents.
【Decomposition】Nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide.



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