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  2. Yancheng Longshen Chemical Co., Ltd.

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    Tetrabutylammonium bromide
    Identification Product name: tetrabutyl ammonium bromide
    Product name: tetrabutyl ammonium bromide
    Molecular formula:  C16H36BrN Molecular weight:  322.37
    Structural formula:  
    CAS No: 1643-19-2 RTECS No:  
    HS code: 2903399090 UN No:  
    Dangerous sign:  Xi,Xn IMDG Code Page:  
    Physical and Chemical Properties Appearance and properties: pure product is white crystal or powder, deliquescence, with special smell.
    Uses: Ion pair reagent, used in the synthesis of ammonia Westwood, shu he Westwood; Is also a kind of effective phase transfer catalysts. In proportion is commonly used in organic synthesis was 0.003 times of raw material (mole ratio).
    Melting point:  103-104°C Boiling point:  
    Relative density (water=1):   Moisture ≤:  0.05%
    tetrabutyl ammonium bromide Assay ≥  99% PH value:  6.0~8.0
    Saturated vapor pressure (kPa):   Solubility:  
    Critical temperature (℃): - Critical pressure (MPa): -
    Heat of combustion (kj/mol): -
    Combustion and explosion hazard Conditions to avoid: -
    Flammability: - Building regulation fire insurance classification:: -
    Flash point (℃): - Self-Ignition temperature(℃): -
    Lower explosive limit (V%): - Upper explosive limit (V%): -
    Hazardous characteristics: -
    Combustion (decomposition) products: - - -
    Incompatible materials: - - -
    Fire fighting methods : -
    Risk category: - - -
    Packaging and transportation Packing group:  
    Directions for storage and transportation: :  

     

    tetrabutyl ammonium bromide quality index
    Item Index value
    Appearance   pure product is white crystal or powder
    Molecular formula   C16H36BrN
    tetrabutyl ammonium bromide Assay ≥  99%
    Density (d2020) g/cm3  
    PH value  6.0~8.0
    Moisture ≤  0.05%

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    久久精品国产精品亚洲

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