Sodium Metabisulfite

Sodium Metabisulfite (sodium bisulfite anhydrous, sodium pyrosulfite) is a white inorganic crystalline compound  with the chemical formula Na2S2O5.

Applications: 
Dechlorination in municipal wastewater, pulp & paper, power, and textile water treatment plants
Disinfectant
Water treatment in leather tanning process
Preservative in food applications
Oxygen scavenger
Cherry brining process
Gold mining industry
Preservative in photo developer solutions
Antioxidant
Used in production of cleaning agents, detergents, and soaps
Chemical Composition: 
Sodium Metabisulfite, wt%  98.7% min.
Assay as SO 66.5 min.
Insolubles, wt% ≤ 0.005
Chloride, wt% ≤ 0.05
Thiosulfate, wt%  ≤ 0.05
Arsenic, ppm  ≤ 1.0
Heavy metals, ppm  ≤ 10.0
Iron as (Fe), ppm  ≤ 2.0
Selenium, ppm ≤ 5.0
Lead as (Pb), ppm  ≤ 2.0

 

 

Physical Properties: 

Product meets FCC, ACS, and/or USP standards.  Also Kosher and NSF certified.
 

Packaging: 
50lb bags/42 bag pallets 2,000lb super sack Other weights available upon request
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Safety Data Sheets
Title Language PDF Document
Sodium Metabisulfite SDS English Click Here to Download
Sodium Metabisulfite SDS (Spanish) Spanish Click Here to Download
Product Data Sheets
Title Language PDF Document
Sodium Metabisulfite Food Product Data Sheet English Click Here to Download
Sodium Metabisulfite Product Data Sheet (Spanish) Spanish Click Here to Download
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