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Sodium pyrosulfite As The Dechlorination Agent after Cotton Bleaching

Brand : Xiang sante

Product origin : Hunan

Delivery time : 7-15Days

Supply capacity : 300000T/Year

food additives sodium metabisulphite sodium metabisulfite price


Sodium pyrosulfite As The Dechlorination Agent For Cotton Bleaching,sodium metabisulphite,sodium sulphate water glass

Classification:SulphateType:Sodium MetabisulfiteCAS NO.:7681-57-4
Commodity name: Sodium Pyrosulfite,Sodium MetabisulfiteChemical formula:Na2S2O5Molecule Weight:190.1
Other names:Sodium PyrosulfiteGrade 

Food garde

 tech grade

EINECS NO.:231-673-0
Place of Origin:Hunan,China(Mainland)Purity:95  96.5%Smell:SO2
Appearance:White or yellowish crystalline powderApplication:

preservatives, anti-oxidants,

 loose agents.

Brand Name:Xiang Sante


National Standard :[HG/T2826-2008]
Product Specification:
ItemSpecification
High-ClassFirst-class
Main Content (Na2S2O5)  % ≥96.595.0
Fe (fe)%≤0.050.05
Heavy metal(PB)%≤0.0050.01
As (As) %≤0.0001----


Physical CharacterWhite or yellowish crystalline powder. Relative density 1.4, soluble in water (20 ℃ for 54 g / 100 ml of water;At 100 ℃ for 81.7 g / 100 ml water) acidic aqueous solution, soluble in glycerin, slightly soluble in alcohol. Easy decomposition when affected with damp, easy oxidize into sodium sulfate when exposed to air, contact with strong acid release sulfur dioxide and generate the corresponding salts, decompose when heated to 150 ℃.


Application:In the pharmaceutical industry, used to produce chloroform, phenylsulfone and benzaldehyde. In the rubber industry, used as a coagulant. In the printing and dyeing industry, used as the dechlorination agent after cotton bleaching, and cotton scouring auxiliary agent; used for leather processing, which can make leather soft, plump and tough. It has the properties of waterproof, anti-folding and wear-resisting. In the chemical industry, used to produce hydroxyl vanillin, hydroxylamine hydrochloride, etc. In the photosensitive industry, used as a developer. In the food industry, used for bleaching agents, preservatives, loose agents, antioxidants, colorants and preservatives.

 

Package:25Kgs/Plastic woven bags;1000kgs/Bag or as requested.

Sodium pyrosulfite As The Dechlorination Agent For Cotton Bleaching,sodium metabisulphite,sodium sulphate water glass


【Cerfification

Sodium pyrosulfite As The Dechlorination Agent For Cotton Bleaching,sodium metabisulphite,sodium sulphate water glass

【FAQ】:

Q: Are you a factory or trading company?                        A: We are a factory.

Q:What is the payment terms?                                         A: L/C ,T/T, D/P, other payment terms negotiable 

Q: How does your factory do regarding quality control?   A: Our factory can accept any third party inspection.

Q: How long is your delivery time?                                   A: Generally 7-12days.

Q: Do you provide free samples? is it free or extra?          A: Yes, we could offer the sample for free charge with freight negotiable.



For more details or any requirements, please feel free to contact us!


 

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