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  2. Yancheng Longshen Chemical Co., Ltd.

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    1,4-Dibromobutane
    Identification Product name: 1,4-dibromobutane
    Product name: 1,4-dibromobutane
    Molecular formula: C4H8Br2 Molecular weight: 215.93
    Structural formula:  
    CAS No: 110-52-1 RTECS No:  EJ7565000
    HS code: 2903399090 UN No:  UN 2810 6.1/PG 3
    Dangerous sign:  T,Xi,C IMDG Code Page:  
    Physical and Chemical Properties Appearance and properties: Colorless or slight yellow liquid; .
    Uses: Used in the manufacture of aminophylline, kebiqing, naochongjing, etc.
    Melting point: -20℃ Boiling point: 63-65°C
    Relative density (water=1): 1.808 Moisture ≤: 0.05%
    1,4-dibromobutane Assay ≥ 99% PH value: 6.0~8.0
    Saturated vapor pressure (kPa): - Solubility: Insoluble in water, soluble in alcohol, ether, chloroform..
    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: 6.1 - -
    Packaging and transportation Packing group: III
    Directions for storage and transportation: :  

     

    1,4-dibromobutane quality index
    Item Index value
    Appearance Colorless or slight yellow liquid 
    Molecular formula C4H8Br2
    1,4-dibromobutane Assay ≥ 99.00% 
    Density (d2020) g/cm3 1.808
    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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