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Sodium metabisulfite CAS No.7681-57-4

Sodium metabisulfite CAS No.7681-57-4
Sodium metabisulfite CAS No.7681-57-4
Sodium metabisulfite CAS No.7681-57-4
Sodium metabisulfite CAS No.7681-57-4
Sodium metabisulfite CAS No.7681-57-4
Sodium metabisulfite CAS No.7681-57-4
Sodium metabisulfite CAS No.7681-57-4
Sodium metabisulfite CAS No.7681-57-4
Sodium metabisulfite CAS No.7681-57-4
Sodium metabisulfite CAS No.7681-57-4
- Description -

Sodium metabisulfite Quick Details


Other NamesSMBS,SODIUM METABISULPHITE ,Sodium Pyrosulfite
CAS No7681-57-4
Molecular Formula/MFNa2S2O5
EINECS No.231-673-0
HS Code2832100000
ClassificationInorganic Chemicals
Grade StandardFood Grade/Industry Grade
Purity96.5 %min
AppearanceWhite Free Flowing Fine Crystal or Powder
PackagePacked in 25kg plastic woven bag, 25kg Kraft paper bag, 25kg PE bag, 500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer's requirement.
MOQ20MT
Place of OriginCHINA 
Loading PortCHINA MAIN PORT


Sodium metabisulfite Usage


Pharmaceutical industry for the production of chloroform,benzene, styrene sulfone, and formaldehyde. 

Rubber industry as a coagulant. 

Bleached cotton printing and dyeing industry as the dechlorination agent, cotton scouring agent. 

Leather tanning industry for processing, make the leather soft, plump, tough, waterproof, bending, wear and other properties. 

The chemical industry for the production of vanillin hydroxyl, hydroxylamine hydrochloride and so on. 

Sensitive industries such as reagent. 

The food industry as a bleaching agent, preservatives, leavening agent antioxidant, color agents and the insurance agent. 

According to China GB2760-86 provides that: as a preservative for the wine, the greatest use of 0.25g/kg; as bleaching agent for glucose, sugar bamboo, rattan and other mushrooms, no more than 0.45g/kg; residue (SO2 total), bamboo shoots, mushrooms are not allowed more than 0.025.


Sodium metabisulfite Specification


Industry grade: Sodium Metabisulfite

ITEMSPECIFICATION
Na2S2O5 content96.5 %min
SO265% min
Heavy metals (as Pb)0.0005%max
Arsenic (As)0.0001%max
Iron (Fe)0.003%max
Water insoluble0.05%max


Food grade: Sodium Metabisulfite

ITEMSPECIFICATIONSPECIFICATION
Purity(As Na2S2O5)≥98.0%≥97.0%
Sulfur Dioxide(SO2)≥65.0%≥65.0%
Arsenic(As)≤0.0002%--
Heavy Metals(As Pb)≤0.0005%--
Selenium(Se)≤0.0005%--
Iron(Fe)≤0.002%≤0.005%
Water Insoluble≤0.02%≤0.05%
RemarkConformed with FCCV and E223 StandardConformed with FCCV and E223 Standard


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DALIAN CHEM --Dalian Chem Imp. and Exp. Group Co., Ltd.is focus on the supply of chemical raw materials, chemical products , and other related products since 1985.

At present, we provide more than 200 kinds of chemical raw materials and ingredients.Sodium metabisulfite is one of our main products.

Before Sodium metabisulfite order ,we can send the sample for your testing ,We ensure the quality is the same as bulk quantity.

There are many Sodium metabisulfite suppliers, mainly located in Asia. The Sodium metabisulfite we supply is cheap and the quality is guaranteed. Sodium metabisulfite products are popular all over the world.

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