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.