Wednesday, October 8, 2025

Sodium metabisulfite CAS 7681-57-4 Wholesale & Bulk

 Sodium metabisulfite is used in the food industry as a bleach, preservative, slacker, antioxidant, and color protector. Sodium metabisulfite is used in the pharmaceutical industry in the production of chloroform, phenylpropyl sulfone and benzaldehyde. Sodium metabisulfite is used as a coagulant in the rubber industry. Sodium metabisulfite is used in the printing and dyeing industry as a dechlorinating agent after bleaching cotton cloth and cotton cloth cooking aid. Sodium metabisulfite is used in leather treatment in the tanning industry, which can make leather soft, plump, tough, waterproof, bending and wear-resistant. It is used in the chemical industry to produce hydroxyvanillin, hydroxylamine hydrochloride, etc. It is used as a developer in the photosensitive industry, etc.

 

Specifications Of Sodium metabisulfite CAS 7681-57-4

Items

Specifications

Results

Appearance

White or yellowish crystalline powder

Conforms

Na2S2O5

≥96.5%

97.11%

Fe

≤0.003%

0.001%

Pb

≤0.001%

0.0003%

As

≤0.0001%

<0.0001%

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Parameters Of Sodium metabisulfite CAS 7681-57-4

Product parameters

Cas number:

7681-57-4

Appearance:

White or yellowish crystalline powder

Purity:

96.5%min

Package details:

25kg/bag; 50kg/bag

Brand:

Fortunachem

 

 

Applications Of Sodium metabisulfite CAS 7681-57-4 Wholesale

1.Food additive

2.Sanitization and cleaning agent

3.It is used in photography.

4.other uses

 

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