天天5g天天爽人妻熟女,熟妇多毛,无码aaaaa,国产熟女高潮

很抱歉,您尚未登錄!
VIP會員登陸后可以查閱當前板塊內容,請登陸后查看!
請點擊登錄

  • TOP
  • 手機版
    全部提示消息

    • Tianjin Elong Co., Ltd. 關注
    • 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 位雇員

    供應
    Maleic Anhydride
    關注
    • CAS No.:
      108-31-6
    • Other Names:
      2,5-Furandione; MA; cis-Butenedioic anhydride; Sodium n-amylxanthate;
    • MF:
      C4H2O3
    • EINECS No.:
      203-571-6
    • Place of Origin:
      China (Mainland)
    • 供應能力: 供應能力未填寫
    • 港口: 港口未填寫
    • -/(最小訂單 
    ZHANGJILONG
    General manager
    在線聊天
    Tianjin Elong Co., Ltd.
    中國天津
    貿易公司
    11-50職員
    出口模式:Have Own Export License
    出口認證:
    主營產品:N-Isopropylbenzylamine,Sodium Benzoate,Benzoic Acid,Prussian Blue,Perlite
    • 產品描述
    • 產品評價
      詳細信息
    • CAS No.:
      108-31-6
    • Other Names:
      2,5-Furandione; MA; cis-Butenedioic anhydride; Sodium n-amylxanthate;
    • MF:
      C4H2O3
    • EINECS No.:
      203-571-6
    • Place of Origin:
      China (Mainland)

    Specifications

    It is a kind of white crystallization, with irritating odor, irritative to eyes and skin, it is soluble in alcohol, acetone

    Maleic Anhydride 99.5

    1) Properties:

    Its a kind of white crystallization, with irritating odor, irritative to eyes and skin, it is soluble in alcohol, acetone and ethyl ether etc, but hard soluble in petrol ether or carbon tetrachloride, soluble in water. Crystallizing and freezing point: 52.4; Boiling point: 202(sublimate), solid density: 1.48g/cm3.
    (2) Usages:
    It is a kind of organic synthetic raw material, its application: In plastic industry, used as plasticizer; In paper-making, used as treatment agent; In synthetic resin industry, used as unsaturated polyester resin and alkyd resin;?In painting field, used?to make insulating paint and white porcelain; ?In pesticide industry, used to make Marathon and hi-efficiency low toxicity 4049; In pharmaceutical industry, used to make long effect sulfa drugs; In grease industry, used to make anti-corrosion agent; And in organic industry, used to make fumaric acid, THF, r-Butyrolactone, 1.4-butylene glycols etc.
    (3) Quality Index

    Items
    Parameters
    Purity (%)≥
    99.5
    Crystallization point ≥
    52.4
    Ashes (%)≤
    0.005
    Iron content (based on Fe) PPm ≤
    5
    Smelting color degree (Pt.- Cobalt), # ≤
    25
    (4) Storage & Package:
    Industrial MA needs to be packed in net 25kg or 50kg as an individual unit, with inner PE-lined poly bags, in open mouth iron drums, wooden drums or polyester bags, PE bag heat-sealed, or tightened with string, stored at cool, ventilated and dry places. Remember to keep away from rain, sunshine and fire. The shelf time may be 3 months.
    (5) Toxicity & Protection
    It is toxic, and detrimental to respiratory tract and irritative to eyes, noses and skin. Not to handle it by naked hand, in non-airtight places, the operators ought to wear protective articles.
    最近訪客
    • 我要詢盤
    • 我要評價
    ZHANGJILONG
    收件人:
    發(fā)送至:
    ZHANGJILONG
    信息內容:
    發(fā)送站內信成功后,請仔細留意您的站內信消息!
    發(fā)送
    猜您喜歡
      1. Niobium Nanopowder
      2. US $70-200
      1. High Purity Gold Nanoparticles Drug Delivery
      2. US $70-200
      1. Boron Nanopowder
      2. US $10-100
      1. Colloidal silica for precision casting manufacturer
      2. US $599-999
      1. water soluble wax
      2. US $10500-12000
      1. cupric acetate
      2. US $4000-5000