• <tr id="kk224"><code id="kk224"></code></tr>
  • <nav id="kk224"></nav>

    Top Products
    Contact Us

    Add: South of Lianmeng road,East of Dadi Road,houtown,Shouguang city,China
    Contact: Tina +86-13953256385 Filippo +86-15853290396
    E-mail: sales@haiyechem.com
    2482296286@qq.com

     
    Products

    Sodium Metabisulfite

    ITEM CAS NO. UN NO./H.S CODE PURITY Hazard Class Molecular Formula:   WEIGHT QUANTITY/20' FCL
    Sodium Metabisulfite  7681-57-4 283210 97.0% NO Na2S2O5 25KG Bag 26MT
    Property: white or light yellow crystal powder, a strong smell of sulfur dioxide,relative density is 1.4, easy to dissolve in water and glycerin, water solution. It has acidity,and its solubility will become large while raising the temperature and is less to dissolve in ethanol.
    Molecular Formula : Na2S2O5
    Molecule Weight : 190.12
    CAS NO .: 7681-57-4
    Appearance : White Free Flowing Fine Crystal or Powder
    Packing: Packed in 25kg plastic woven bag, 25kg Kraft paper bag, 25kg PE bag, 500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer's requirement.
    Specification For Food Grade and Industry Grade :
     
    Item
    Quality Index
    Food Grade
    Industry Grade
    Purity ( As Na2S2O5)
    98.0% min
    96.0% min
    Sulfur Dioxide( SO2)
    65.0% min
    65.0% min
    Arsenic ( As )
    0.0002% max
    -
    Heavy metals ( As Pb )
    0.0005% max
    -
    Selenium (Se )
    0.0005% max
    -
    Iron (Fe)
    0.001% max
    0.002% max
    Water insoluble
    0.02% max
    0.05% max
    PH value :
    4.0-4.8
    4.0-4.8
    Remark :
    Conformed with FCC V and E 223 Standard
     
    Specification for Pharmaceutical Grade and Photo Grade  
    Item
    Quality Index
    Pharmaceutical Grade
    Photo Grade
    Purity ( As Na2S2O5)
    98.0% min
    98.0% min
    Sulfur Dioxide( SO2)
    65.0% min
    65.0% min
    Thiosulphate ( As S2O3) :
    0.05 % max
    0.05% max
    Chloride ( As CL-) :
    30 ppm max
    50ppm max
    Arsenic ( As ) :
    1ppm max
    1ppm max
    Lead ( Pb ) :
    1 ppm max
    2ppm max
    Copper (Cu) :
    1 ppm max
    1ppm max
    Iron (Fe ) :
    5 ppm max
    5ppm max
    Mercury (Hg) :
    0.1ppm max
    1ppm max
    Chromium (Cr) :
    1 ppm max
    -
    Selenium (Se ) :
    1 ppm max
    5ppm max
    Zinc (Zn)
    1 ppm max
    1ppm max
    Cadmium (Cd )
    1ppm max
    -
    Nickel (Ni)
    1ppm max
    -
    Na2SO3 + Na2SO4
    1.5% max
    -
    PH value :
    4.0-4.8
    4.0-4.8
    Remark :
    Conformed with USP standard
     
    Application:
    (1) Food Grade: Bleach agent (e.g. candies, cake, bamboo shoots, etc); Loose agent (e.g. bread, cracker etc); Antiseptic and germicide (e.g. fruit juice, tinned food, brews, the cereals food is defended storage etc); Inhibitor and freshen agent (e.g. day lily, seafood, fruit and vegetable etc).
    (2) Industry Grade: Mordant of printing and dyeing; Dechlorinate of textile after bleaching; Sulphonated agent and reducer of chemical industry and pharmacy; Bleach of paper pulp, bamboo and timber bleach of Stap; Treatment agent of waste water; Rubber solidifying agent Perfume industry is served as hydro carbon perfume aldehyde
    The hide profession employ to do to molt dose and pliable dose and wearproof dose; sewage treatment, and so on .
    (3) Pharmaceutical Grade: In chemical synthesis in the production of acrylic fibre, vitamin K, vitamin A, pharmaceutical intermediates, etc.
    (4) Photo Grade: The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose.
    Storage: Store the product in a dry and cool place.
    Packing photo:
    1000kg Jumbo bag
    25kg P.P woven bag
    25kg Kraft paper bag
    25kg PE bag

    Copyright(C)2016 ,Weifang Haiye Chemistry And Industry Co.,Ltd All Rights Reserved.  Supported by  ChemNet  ChinaChemNet Toocle Copyright Notice
    最新欧美精品一区二区三区
  • <tr id="kk224"><code id="kk224"></code></tr>
  • <nav id="kk224"></nav>