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        純度:99% 包裝:25kg/桶


        CAS:  18039-42-4
        分子式:  C7H6N4
        分子量:  146.15

        中文名稱:  5-苯基-1,2,3,4-四唑

        英文名稱:  5-phenyl-1H-Tetrazole

        性質描述:  該品為白色結晶性粉末,熔點209~212℃。

        外觀   白色針狀結晶
        熔點      215-217℃
        干燥失重     ≤0.5%
        重金屬    ≤30mg/kg
        含量          ≥99.0%(HPLC)

        用途:  用于新一代頭孢菌類抗生素的合成,其中間體在合成抗真菌藥物方面具有廣泛的用途,用量也會越來越大。



        Product Identification
        【Product Name】5-Phenyltetrazole
        【Molecular Weight】146.15
        【RTECS Class】Other
        【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.


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