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    • Tianjin Elong Co., Ltd. 关注
      • N-Isopropylbenzylamine,Sodium Benzoate,Benzoic Acid,Prussian Blue,Perlite
      Room 6-1107, Post Apartment, Nanma Road, Nankai Dist., Tianjin, China (Mainland)
      查看在易之家共有 1 位雇员

    供应
    Tetrasodium etidronate
    关注
    • CAS No.：
      3794-83-0
    • Other Names：
      (1-Hydroxyethylidene)bis-phosphonic acid tetrasodium salt
    • MF：
      C2H8Na4O7P2
    • EINECS No.：
      223-267-7
    • Place of Origin：
      Xinjiang, China (Mainland)
    • Type：
      Synthetic Fibers, Synthetic Resin and Plastics, Synthetic Rubbers
    • Brand Name：
      TJEL
    • Model Number：
      TJEL 2
    • Purity：
      high purity
    • apperance：
      Colorless to yellowish transparent liquid
    • 供应能力： 2000 Metric Ton/Metric Tons per Month
    • 港口： main port of China
    • -/Ton（最小订单 1Ton）
    发送询盘
    发送直邮
    ZHANGJILONG
    General manager
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    Tianjin Elong Co., Ltd.
    中国天津
    贸易公司
    11-50职员
    出口模式:Have Own Export License
    出口认证:
    主营产品:N-Isopropylbenzylamine,Sodium Benzoate,Benzoic Acid,Prussian Blue,Perlite
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    • 产品描述
    • 产品评价
      详细信息
    • CAS No.：
      3794-83-0
    • Other Names：
      (1-Hydroxyethylidene)bis-phosphonic acid tetrasodium salt
    • MF：
      C2H8Na4O7P2
    • EINECS No.：
      223-267-7
    • Place of Origin：
      Xinjiang, China (Mainland)
    • Type：
      Synthetic Fibers, Synthetic Resin and Plastics, Synthetic Rubbers
    • Brand Name：
      TJEL
    • Model Number：
      TJEL 2
    • Purity：
      high purity
    • apperance：
      Colorless to yellowish transparent liquid

    Specifications

    Tetrasodium etidronate
    CAS : 3794-83-0
    Appearance:Colorless to yellowish transparent liquid

    Tetra sodium of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP•Na4)

    Synonyms: Tetrasodium etidronate

    CAS No.  29329-71-3 (x-Na), 3794-83-0 (4-Na)

    Molecular Formula: C2H4O7P2Na4                     Molecular weight: 294

    Structural Formula:

    Properties:

    HEDP•Na4 is the sodium salt of HEDP, HEDP•Na4 is an good scale inhibitor for calcium carbonate, it can be used in low pressure boiler water system, circulating water system, industrial and municipal cleaning water system and swimming pool.

    The solid HEDP•Na4 is white powder, soluble in water, easily deliquescence, suitable for use in winter and freezing districts. It is a kind of organophorphonic acid scale and corrosion inhibitor, can form stable complex with Fe, Cu and Zn ions, it can dissolve the oxides on metal surface, it has good scale and corrosion inhibition effect under 250°C.

     HEDP•Na4 is widely used in circulating cool water system, medium and low pressure boiler, oil field water pipelines as scale and corrosion inhibitor in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.. In light woven industry, HEDP•Na4 is used as detergent for metal and nonmetal. In dyeing industry, HEDP•Na4 is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP•Na4 is used as chelating agent. 

    Specification:

    itemsindex
    AppearanceWhite powderColorless to yellowish transparent liquid
    Active content (HEDP)%56.0 min20.3-21.7
    Active content (HEDP•Na4)%79.9 min29.0-31.0
    Total phosphoric acid (as PO43-) %52.0 min18.4-20.4
    Fe,mg/L35.0 max20.0 max
    Moisture,%15 max--
    Density (20°C)g/cm3--1.26-1.36
    PH11.0-12.0 (1% water solution)10.0-12.0 (as it)
    Phosphorous Acid % 1.0 max
    Colour APHA 50.0 max

    Package and Storage:

    Liquid: 200L plastic drum,IBC(1000L),customers’ requirement.

    Solid: 25kg/bag,customers’ requirement. Storage for ten months in shady room and dry place.

    Safety Protection:

    Weak acidity, Avoid contact with eye and skin, once contacted, flush with water.

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