五月停停久久久久久久久,国际毛片视频香蕉国产在线

久久久欧美日韩免费观看|国产又粗又硬又长又爽|无码不卡视频在线观看|欧美色一区二区三区四区|久草新视频在线观看12|亚洲国产精品人人做人人爱

Sorry, you are not login!
VIP members can check the contents after login.
Click to login

  • TOP
  • Moblie
    All Prompt Messages

    • Tianjin Elong Co., Ltd. Follow
    • N-Isopropylbenzylamine,Sodium Benzoate,Benzoic Acid,Prussian Blue,Perlite
      Room 6-1107, Post Apartment, Nanma Road, Nankai Dist., Tianjin, China (Mainland)
      Totally has 1 empolyees in Tradesns

    sodium hydride
    Follow
    • CAS No.:
      7646-69-7
    • Other Names:
      Sodium hydride dispersionin mineral oil
    • MF:
      NaH
    • EINECS No.:
      231-587-3
    • Place of Origin:
      Tianjin, China (Mainland)
    • Grade Standard:
      Industrial Grade, Reagent Grade
    • Purity:
      60%min or 65% min
    • Appearance:
      white powder
    • Application:
      reagent and catalyst
    • Brand Name:
      TJEL
    • Model Number:
      high purity
    • Deliverability: 20000 Metric Ton/Metric Tons per Year
    • Port: Main port in China
    • -/Gram(Minimal Quantities 10Gram)
    JILONG·ZHANG
    General manager
    Chat online
    Tianjin Elong Co., Ltd.
    China Tianjin
    Trading Company
    11 - 50 People
    Export Model:Have Own Export License
    Export Identification:
    Main Products:N-Isopropylbenzylamine,Sodium Benzoate,Benzoic Acid,Prussian Blue,Perlite
    • Products Description
    • Review List
      Quick Details
    • CAS No.:
      7646-69-7
    • Other Names:
      Sodium hydride dispersionin mineral oil
    • MF:
      NaH
    • EINECS No.:
      231-587-3
    • Place of Origin:
      Tianjin, China (Mainland)
    • Grade Standard:
      Industrial Grade, Reagent Grade
    • Purity:
      60%min or 65% min
    • Appearance:
      white powder
    • Application:
      reagent and catalyst
    • Brand Name:
      TJEL
    • Model Number:
      high purity

    Specifications

    Sodium Hydride
    Molecular Formula:NaH
    Molecular Weight:23.99

    Sodium Hydride


    Molecular Formula:NaH Molecular Weight:23.99

    specification:
    1. Silver gray greasy substance;content 50%;active hydrogen content(purity) 95%

    2. Silver gray solid substance;content 60%;active hydrogen content (purity)95%

    3. Silver gray powder;content 80%;active hydrogen(purity) 95%

    Physical and Chemical Property:Melted and decomposed simultaneously at 800;not soluble in liquid ammonia,carbon disulfide,carbon tetrachloride and other organic solvent;stable in dry air or oxygen at room temperature;very easily hydrolyzed in damp air;acutely reacting with water.

    Application:As condensation agent,reducer,alkyl reagent,catalyzer,Kreison reagent in organic synthesis of pharmaceuticals,spice,pesticide,blanching agent of dyestuff,macro-chemicals.

    Recent Visitors
    • Inquiry
    • Review
    JILONG·ZHANG
    Recipients:
    Send to:
    JILONG·ZHANG
    Content:
    Please pay attention to the message after the success of the post!
    Send
    Guess what you like
      1. glacial acetic acid
      2. US $200-3000
      1. Carbon Disulfide; Carbon Disulphide;CS2; the BIGgest Supplier in the world-wide; REACH AVAILABLE
      2. US $650-675
      1. sodium formate
      2. US $100-2000
      1. formic acid
      2. US $200-2000
      1. Carbon Disulfide; Carbon Disulphide;CS2
      2. US $720-730
      1. Carbon Disulfide; Carbon Disulphide;CS2
      2. US $700-720