• sodium metabisulfite
  • sodium metabisulfite

Sodium Metabisulfite

  • Content (as Na2S2O5): ≥ 97.5
  • Iron(as Fe) %: ≤ 0.001
  • Clarify degree: clearly
  • Heavy metals(as Pb) %: ≤0.0005
  • Arsenic(as As) %: ≤ 0.0001

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Detergent Surfactant Agent
Chlor-Alkali Chemicals
Agriculture & Feed and Food Additive
Electronic Chemical Raw Materials
Water Treatment Chemicals
Mining Chemical Auxiliaries
Leather Textile Auxiliaries
Oilfield Chemicals
Glass Ceramic Chemicals
Coating and Resin Chemicals
Phosphate Chemicals
Plasticizer and Rubber Chemicals

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■ Specifications
1.Characters:
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.
2.Properties:
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.
3.Applications:
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) 
4.Packing details:
In 25kg bag and 1000kg jumbo bag and 1250kg jumbo bag or as buyer's requestion
Stored in cool and dry place, avoid moisture and heat. No breakage, No mixed with oxidant and toxic matter. The storage period is 6 month since the production date. It should be transported by clean car, with covering matter, avoid raining.
■ Full Data
Item Index
Content (as Na2S2O5) ≥ 97.5
Iron(as Fe) % ≤ 0.001
Clarify degree clearly
Heavy metals(as Pb) % ≤0.0005
Arsenic(as As) % ≤ 0.0001
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