Food Grade Standard Factory Sodium Metabi Sulfite Sodium Metabisulphite

• CAS No.: 7681-57-4
• Formula: Na2s2o5
• EINECS: 231-673-0
• Certification: CCIC, CIQ, RoHS, ISO
• Purity: 90%~99%
• Type: Sodium Sulfate
• Model NO.: Sodium Metabisulphite
• Appearance: Powder
• Grade Standard: Industrial Grade
• Delivery: 7 Days
• Transport Package: 25kgs Bag
• Specification: SMBS 97%
• Trademark: okay
• Origin: China
• HS Code: 28321000
• Production Capacity: 100000mt/Month

Product Description

Product Description

  Food Grade Grade Standard Sodium Metabisulphite factory

Molecular Formula:Na2S2O5  
Molecule Weight:190.10
CAS No:7681-57-4
Appearance:White or light yellow crystalline powder
Specification:
 

ITEM	Industrial grade	Food grade
Assay:	96% min	96% min
SO2 content	65% min	65% min
Iron:	0.005% max	0.005% max
Heavy metals (as Pb)	--	0.002% max
AS	--	0.0002% max
pH	4.0-4.6	4.0-4.6
Water insoluble:	0.05% max	0.05% max

 
Main uses: 
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)
Industrial 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 stapk; Treatment agent of waste water; 
Rubber solidifying agent 
Perfume industry is served as hydrocarbon perfume aldehyde 
The hide profession employ to do to molt dose and pliable dose and wearproof dose 
The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose and so on; sewage treatment.
 
Packaging:in polythene plastic bag with a polypropylene overbag, paper-plastic composite bag, kraft bag, etc.

Applications

Chemical industry
It is used for the production of insurance powder, sulfamethazine, analgin, caprolactam, etc., phenylpropane sulfone and benzaldehyde. The photographic industry is used as a fixative for the fixer. The perfume industry is used to produce vanillin. Used as a preservative for brewing industry, a rubber coagulant and a bleaching agent for cotton bleaching. Organic intermediates, dyes, and tanning are used as reducing agents for electroplating, wastewater treatment in oil fields, and as a mineralizer for mines.
industry
It is used in printing and dyeing, organic synthesis, printing, tanning, pharmaceutical and other departments; as a preservative, bleaching agent and loosening agent in food processing.
Used as a chemical reagent
(Printing and dyeing, photography, etc.), used as bleach mordant, reducing agent rubber coagulant, also used in organic synthetic pharmaceuticals and spices.
 

Warehouse