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  2. Yancheng Longshen Chemical Co., Ltd.

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    2-Bromobutane
    Identification Product name: 2-bromobutane
    Product name: 2-bromobutane
    Molecular formula: C4H9Br Molecular weight: 137.03
    Structural formula:  
    CAS No: 78-76-2 RTECS No:  EJ6228000
    HS code: 2903399090 UN No:  2339
    Dangerous sign:  F,Xi IMDG Code Page:  
    Physical and Chemical Properties Appearance and properties: Colorless transparent liquid; medium flash point , Flammable liquid, Avoid breathing vapor.
    Uses: Organic synthesis intermediate.
    Melting point: -112℃ Boiling point: 91°C
    Relative density (water=1): 1.255 Moisture : ≤0.05% 
    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 (℃): 70 °F Self-Ignition temperature(℃): -
    Lower explosive limit (V%): - Upper explosive limit (V%): -
    Hazardous characteristics: Flammable In open flame, high temperature, oxidant ; High thermal decomposition and produce toxic bromide gas
    Combustion (decomposition) products: - - -
    Incompatible materials: - - -
    Fire fighting methods : Dry powder, dry sand, carbon dioxide, foam, 1211 fire extinguishing agent
    Risk category: 3 - -
    Packaging and transportation Packing group: II
    Directions for storage and transportation: :  Ventilated freeze-dried warehouse; And no mixed with antioxidant

     

    2-bromobutane quality index
    Item Index value
    Appearance   Colorless transparent liquid
    Molecular formula  C4H9Br
    Assay ≥  99.00%
    Density (d2020) g/cm3 1.255
    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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