Sodium Metabisulfite
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 |
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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