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    1. Yancheng Longshen Chemical Co., Ltd.

      Focus on Bromide and Chloride Derivatives for 20 Years

      The Professional Bromobenzene Manufacturer in China

    2. Products Home >> Products
      1,2-Dibromobenzene
      Identification Product name: 1,2-dibromobenzene
      Product name: 1,2-dibromobenzene
      Molecular formula:  C6H4Br2 Molecular weight:  263
      Structural formula:  
      CAS No:  583-53-9 RTECS No:  
      HS code:  2903399090 UN No: 2711
      Dangerous goods code:  33547 IMDG Code Page:  
      Physical and Chemical Properties Appearance and properties:  Colorless transparent liquid; Insoluble in water, soluble in ethanol, ethyl ether, C ketone, acetic acid, benzene, petroleum ether and carbon tetrachloride.
      Uses:  Used in organic synthesis, Dye intermediate.
      Melting point:  4-6 °C(lit.) Boiling point:  225.5℃
      Relative density (water=1):  1.976 Moisture ≤:  0.05%
      1,2-dibromobenzene Assay ≥  99% PH value:  6.0~8.0
      Saturated vapor pressure (kPa): 0.67(70℃) Solubility: Insoluble in water, soluble in ethanol, ethyl ether, C ketone, acetic acid, benzene, petroleum ether and carbon tetrachloride.
      Critical temperature (℃): - Critical pressure (MPa): -
      Heat of combustion (kj/mol): -
      Combustion and explosion hazard Conditions to avoid: -
      Flammability: Flammable Building regulation fire insurance classification:: -
      Flash point (℃): 91 °C Self-Ignition temperature(℃): -
      Lower explosive limit (V%): - Upper explosive limit (V%): -
      Hazardous characteristics: Its vapor and air can form explosive mixture, in open flame, high heat cause burning explosion. React with oxidant can. By the high fever decompound let out poisonous gases. If encounter high fever, container pressure increases, there are cracks and the risk of explosion.
      Combustion (decomposition) products: Carbon monoxide, carbon dioxide, hydrogen bromide. Stability: -
      Incompatible materials: strong oxidizing agents. Polymerization hazards: -
      Fire fighting methods : dry powder, foam, Sandy soil, water
      Risk category: 9 - -
      Packaging and transportation Packing group: III
      Directions for storage and transportation: : Stored in a cool, ventilated warehouse away from fire and heat source. Avoid direct sunlight. Temperature should not be more than 30 ℃ . Keep container closed. Should be stored separatelywith oxidant, food chemicals and no mixed reservoir.

       

      1,2-dibromobenzene quality index
      Item Index value
      Appearance Colorless transparent liquid or crystal
      Molecular formula  C6H4Br2
      1,2-dibromobenzene Assay ≥ 99% 
      Density (d2020) g/cm3 1.976 
      PH value 6.0~8.0 
      Moisture ≤  0.05%

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      性开放的欧美大片高清播放,欧洲女人牲交视频免费,欧美肥老太牲交大片

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