结构式
CAS: 18039-42-4
分子式: C7H6N4
分子量: 146.15
中文名称: 5-苯基-1,2,3,4-四唑
5-苯基四氮唑
5-苯基-1H-四氮唑
5-苯基-1H-四吡咯
英文名称: 5-phenyl-1H-Tetrazole
5-phenyl-1h-tetrazol
5-phenyl-1h-tetrazole
5-phenyltetrazole
性质描述: 该品为白色结晶性粉末，熔点209～212℃。
质量标准:
外观 白色针状结晶
熔点 215-217℃
干燥失重 ≤0.5%
重金属 ≤30mg/kg
含量 ≥99.0%(HPLC)
用途: 用于新一代头孢菌类抗生素的合成，其中间体在合成抗真菌药物方面具有广泛的用途，用量也会越来越大。
在精细化工方面可作为光敏稳定剂，用于改善卤化银类的光敏物质在贮藏期的稳定性。作为普通精细化学品以它为原料可合成金属抗氧化防锈剂、金属缓腐蚀剂、润滑油金属减活剂、极压抗磨添加剂等。
其它信息:
Product Identification
【Product Name】5-Phenyltetrazole
【Synonyms】Phenyltetrazole；5-苯基四氮唑
【CAS】18039-42-4
【Formula】C7H6N4
【Molecular Weight】146.15
【EINECS】241-950-8
【RTECS】XF7538750
【RTECS Class】Other
【Beilstein/Gmelin】124483
【Beilstein Reference】4-26-00-01772
Physical and Chemical Properties
【Appearance】White crystalline powder.
【Solubility in water】Very soluble
【Melting Point】222℃
【Boiling Point】331℃
【Vapor Pressure】0.0002 (25℃)
【pKa/pKb】4.50 (pKa)
【Partition Coefficient】1.28
【Heat Of Vaporization】57.3 kJ/mol
【Heat Of Combustion】-3907 kJ/mol
First Aid Measures
【Ingestion】Get medical aid. Wash mouth out with 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.
【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
【Storage】Store in a cool, dry place. Store in a tightly closed container.
【Handling】Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Hazards Identification
【Ingestion】Harmful if swallowed. May cause irritation of the digestive tract.
【Inhalation】May cause respiratory tract irritation.
【Skin】May cause skin irritation.
【Eyes】May cause eye irritation.
Exposure Controls/Personal Protection
【Personal Protection】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.
Fire Fighting Measures
【Flash Point】161℃
【Fire Fighting】Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
Accidental Release Measures
【Small spills/leaks】Vacuum or sweep up material and place into a suitable disposal container.
Stability and Reactivity
【Stability】No data.
【Incompatibilities】Strong oxidizing agents, strong acids, acid chlorides, acid anhydrides.
【Decomposition】Carbon monoxide, oxides of nitrogen, carbon dioxide.
