Industry Grade CAS: 7681-57-4 Sodium Pyrosulfite Sodium Metabisulfite for Printing and Dyeing

Price $330.00 Compare
Min Order 20 Tons
Shipping From Shandong, China
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QINGDAO SINSUR CHEMICAL CO., LTD.

VIP   Audited Supplier 9 years
Profile Certified by SGS/BV
Industry Grade
7681-57-4
Na2s2o5
231-673-0
CIQ, ISO
90%~99%
Sodium Metabisulfite
White Powder
Industrial Grade
97.0%Min.
E223
4.0-4.8
190.107
150ºC
1.48g/cm3
Soluble
SINSUR
25kg, 1000kg, 1250kg Bag
Food Grade
China
2835100000
Product Description
Product Description

Properties:
Sodium metabisulfite is an inorganic compound. The substance is sometimes referred to as disodium metabisulfite. It is white or slightly yellow crystalline powder.

Specification:
Appearance White Powder
Purity as Na2S2O597.0% Min.
SO265% Min.
Sodium Sulfite1%Max.
Water Insoluble Material0.05% Max.
Iron(Fe)0.0005% Max.
Chloride0.5%Max.
As0.0001%Max.
PH4.0-5.0
Heavy Metals as pb0.0005% Max.
Application

In industry, sodium metabisulfite is used in printing and dyeing, organic synthesis, printing, tanning, pharmaceutical and other departments. Sodium metabisulfite is used in the chemical and pharmaceutical industries for the production of insurance powder, sulfamethazine, analgin, caprolactam, etc., as well as the purification of phenylpropanesulfone and benzaldehyde. The photographic industry is used as an ingredient for fixing agents. Perfume industry is used to produce vanillin. It is used as preservative in brewing industry, rubber coagulant and dechlorination agent after cotton bleaching. Organic intermediates, dyes and tanning are used as reducing agents, electroplating industry, wastewater treatment of oil fields and beneficiation agent of mines.
In food industry, SMBS is used as decolorizer in candy, cakes; as leavening agent in bakery; as anticorrosion and bactericidal agent in beverage, juice, canned food; as preservative in sea foods, vegetable and fruits, etc.

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Storage

Store in tightly closed original bags at cool, dry and ventilated place.
 

Our Advantages

Glad to take this opportunity to introduce our service to you as follows:
•Supply of all kinds of food ingredients and raw materials;
•Price trend and purchase advice;
•Technical support;
•Value-added service, say, subpackage; 
• Mixed container shipment arrangement;
Logistic, storage.

Our advantages are:
1 Professional: with more than 15years food additives export experience, we understand our customers' needs easily and completely;
2 Quality and delivery: quality is the life of our company. We put quality as our first consideration in any single order. We only supply our customers the first-class products.
Normally we can arrange all the delivery by sea, by air or by train within the stipulated period. If by sea, we put cardboard in all sides of the container in order to avoid moist; if possible, we palletize all products.
3 Credibility: credibility is the base of our company. We may be not the best, but we are the one as what we have said

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