Hebei, China
Business Type:
Trading Company
Number of Employees:
Year of Establishment:
Management System Certification:
ISO 9001
Average Lead Time:
Peak season lead time: within 15 workday
Off season lead time: within 15 workday
Sample Available
Spanish / French / Portuguese Speaker

Sodium Metabisulfite, Sodium Pryosulfite, Smbs manufacturer / supplier in China, offering 97% Min Food Grade Sodium Pyrosulfite, Buy Polyvinyl Butyral Resin From China Factory & Suppliers at Good Price, Hot Sale High Quality Potassium Carbonate and so on.

Gold Member Since 2015
Audited Supplier

97% Min Food Grade Sodium Pyrosulfite

Get Latest Price
Min. Order / Reference FOB Price
25 Tons US $290-300/ Ton
Port: Qingdao, China
Production Capacity: 150000/Ton
Payment Terms: L/C, T/T, D/P, Western Union
Appearance: Powder
Classification: Sodium Pyrosulfite
Certification: CIQ, ISO
Purity: 97%
Type: Sodium Pyrosulfite
Grade Standard: Food Grade

You Might Also Like


Basic Info

Model NO.: food grade
Content: 97%
CAS: 7681-57-4
Einecs No: 231-673-0
M.F.: Na2s2o5
Trademark: SC
Transport Package: 25kg/Bag or 1250kg/Bag
Specification: food grade /tech grade
Origin: China
HS Code: 2832100000

Product Description

CAS NO.: 7681-57-4
Molecular Formula Na2S2O5 
Molecule Weight 190.10

Characteres: White or light yellow crystalline powder or small crystals, with a strong smell of SO2, specific gravity 1.4, soluble in water, acidic aqueous solution, contact with strong acid is released SO2 and generate the corresponding salts, for a long time in the air, is oxidized to Na2S2O6, so the product cannot be far.Higher than 150 degrees Celsius, namely decomposition of SO2.
Specification : (food grade)

Purity (calculated with Na2S2O5)97%min
Iron (Fe)0.005%max
Arsenic (As)0.0002%max
PH value4.0-4.6
Water insoluble matter0.05%max
Heavy metal(as Pb)0.001%max

Package:  25kg net in PP bags with PE liner, or 1000kg net in ton bag

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. seafood fruit and vegetable etc.

Regulations in China can be used for the candied fruit, biscuits, sugar, crystal sugar, caramel, candy, glucose, liquid glucose, bamboo shoots, mushrooms and canned mushrooms, maximum usage of 0.45 g/kg.Candied fruit, bamboo shoots, mushrooms and canned mushrooms, grapes and blackcurrant juice concentrate of residues (SO2) is less than 0.05 g/kg;Biscuits, sugar, fans and other varieties of residual is less than 0.1 g/kg;The residues of liquid glucose may not be over 0.2 g/kg


Send your message to this supplier

avatar Ms. Eileen Lee

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now