Calabrian Corporation

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 SO2  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: