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Sodium metabisulfite
Listing date ： 2016-05-04
Recommended selling price: 0

Sodium metabisulfite


CAS No. : 7681-57-4

EINECS No.: 231-673-0  

MF : Na2S2O5

Purity : ≥97%

Appearance : White or yellow crystalline.

Nature :

1. Sodium metabisulfite solution 1 water soluble in glycerin, slightly soluble in ethanol. The acidic aqueous solution.

2. sodium metabisulfite wet easy biodegradation, open air oxidation of sodium sulfate at home.

Quality index :


Test Items

Unit Of Measure

Lab Test Results

Content (Na2S2O5)%

≥ 97.0

≥ 97.3

The iron content of (Fe)%

≤ 0.005

≤ 0.004

The content of heavy metals (Pb)%

≤ 0.001

≤ 0.001

The arsenic content of (As)%

≤ 0.0002

≤ 0.0001


Application :

1. Photographic industry ingredients used as a fixative.

2. Spices industry for the production of vanillin. Preservatives

used in brewing industry, rubber curing agent and the bleached cotton dechlorinating agent.

Packaging :

1. 25kg/bag，plastic woven bag.

2. 24tons can be loaded in a 20' container.
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