无遮挡黄动漫视频在线观看

<span id="0a51k"><sup id="0a51k"></sup></span>

  • <strong id="0a51k"></strong>
      1. Yancheng Longshen Chemical Co., Ltd.

        Focus on Bromide and Chloride Derivatives for 20 Years

        Bromobenzene Manufacturer in China

      2. Products Home >> Products
        1,3-Dibromobenzene
        Identification Product name: 1,3-dibromobenzene
        Product name: 1,3-dibromobenzene
        Molecular formula:  C6H4Br2 Molecular weight:  236
        Structural formula:  
        CAS No:  108-36-1 RTECS No: CZ1790000
        HS code:  2903399090 UN No: 2711
        Dangerous goods code:  33547  IMDG Code Page:  
        Physical and Chemical Properties Appearance and properties:  Colorless liquid; Insoluble in water, soluble in ethanol, ethyl ether, C ketone, acetic acid, benzene, petroleum ether and carbon tetrachloride.
        Uses:  Used in organic synthesis
        Melting point:  -7 °C Boiling point:  218
        Relative density (water=1):  1.95 Moisture ≤:  0.05%
        1,3-dibromobenzene Assay ≥  98.5% PH value:  6.0~8.0
        Saturated vapor pressure (kPa): - 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 (℃): 93℃ 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 : -
        Risk category: 3.3 - -
        Packaging and transportation Packing group: III
        Directions for storage and transportation: : Stored in a cool, ventilated warehouse. Stay away from fire, heat source. Avoid direct sunlight. temperature should not be more than 30 ℃.

         

        1,3-dibromobenzene quality index
        Item Index value
        Appearance Colorless liquid 
        Molecular formula  C6H4Br2
        1,3-dibromobenzene Assay ≥ 98.5% 
        Density (d2020) g/cm3 1.95 
        PH value 6.0~8.0 
        Moisture ≤  0.05%

        Home | About Us | Products | News | Development | Contact Us | 中文版

        Copyright(C)2020, Yancheng Longshen Chemical Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice 備案序號:蘇ICP備05012854號

         
        點擊這里給我發消息
        高經理-內貿
        點擊這里給我發消息
        祁經理-內貿
        點擊這里給我發消息
        吳經理-內貿
        點擊這里給我發消息
        金經理-外貿
         
         
         
         
        无遮挡黄动漫视频在线观看
        <span id="0a51k"><sup id="0a51k"></sup></span>

      3. <strong id="0a51k"></strong>