Price:Negotiable

Send Inquiry

Best Quality Sodium metabisulfite
1. High Quality Ingredient
2. Strict QC
3. Competitive Price
4. Excellent After-service   97%Sodium Pyroulfite                 Specifications 

                                

ProductName:	Sodiummetabisulfite
Category:	Inorganicchemical/inorganic salt
CAS NO:	7681-57-4
EC NO:	231-673-0
MolecularFormula:	Na2S2O5
Specifications	Item Quality spec. food grade technical grade Purity(Na2S2O5) ≥98.0% ≥97.0% Sulfur dioxide(SO2) ≥65.0% 65.0% Arsenic ( As ) ≤0.0002% - Heavy metal (Pb) ≤0.0005% - Selenium (Se ) ≤0.0005% - Iron (Fe) ≤0.001% ≤0.002% Insol. in water ≤0.02% ≤0.05% pH-value : 4.0-4.8 4.0-4.8 Note: Meet FCC V and E 223standard
MolecularWeight:	190.1
Packing:	In PP woven baglined with PE film bag, lining thickness≥0.05mm,25, 50,1000kg/bag
Specifications:	Properties: white oryellowish crystalline powder with strong SO2 odor;specific wt.: 1.4. soluble in water, its aqueous solution isacidic. Molecular Formula: Na2S2O5 Molecular Weight: 190.10 CAS NO.: 7681-57-4
Use:	As mordant forprinting & dyeing; as dechlorinating agent for textilebleaching; as reducing agent and sulfonating agent for chemical andmedical industries etc.

 

 

 

  Detail            1.MolecularFormula:Na2S2O5            2.Molecule Weight:190.10          3.Application:bleaching agent for textile fibres,colorsstripper and dechlorination,preparation of indigo vatdye,solubilizing  

        4.Standard:HG/T 2826—1997

 

         5.CASNo:7681-57-4

 

        6.Appearance:white or slightly yellow crystal powder

 

 

        7.Odor: strong sulfurdioxide odor

 

 

        8.Package:PE liner plastic woven bags or compound woven bagsoutside, 25kg or 50kg net.

 

 

 

Application:

 

 

 

 

Food grade:

 

 

       1.Bleach agent (e.g.candies, cake, bamboo shoots,etc);

 

 

       2.Loose agent (e.g.bread, cracker etc);          3.Antiseptic and germicide (e.g.fruit juice, tinned food brews, thecereals foodis defended storage etc);

 

 

 

        4.Inhibitor and freshenagent (e.g.day lily, seafood, fruit and vegetableetc)    Industrial grade:          1.Mordant of printing and dyeing; 

 

 

        2.Dechlorinateof textile after bleaching;           3.Sulphonated agent and reducer of chemical industry andpharmacy;  
       4.Bleach of paper pulp, bamboo and timber bleachofstapk; Treatment agent of waste water; 

 

 

       5.Rubber solidifying agent 

 

 

       6.Perfume industry is served as hydrocarbon perfumealdehyde         7.The hide profession employ to do to molt dose and pliable doseand wearproof dose 

 

 

       8.The sensitize industry is served as the developing agentreductant and the protection of fixing bath dose and so on; sewagetreatment.  

       9.Shelf life:6 months 

 

 

              10.Storage & handling:Store the product in acool and dry place;prevent from direct sunlight ,water andmoisture, avoid contact with strong acid, oxidants or poisonoussubstances. Exposure to moisture will make it oxidze easily tosodium sulphate. Do not store it for long time.

 

 

 

 

 

 

 

 

 

 

about Us