Calabrian Corporation
Sodium Sulfite Anhydrous
Sodium sulfite anhydrous is a white granular material with the chemical formula Na2SO3.
Applications:
• Dechlorination in municipal wastewater, pulp & paper, power, and textile water treatment plants
• Boiler water treatment
• Oxygen scavenger
• Preservative
• Pharmaceuticals
• Flue gas desulfurization
• Chemical manufacturing in the sulfonation process
• Preservative in photo developer solutions
Chemical Composition
| Sodium Sulfite, wt % | 99min |
| Sodium Sulfate, wt % | 1max |
| Moisture, % | 0.05max |
| Insolubles, % | 0.03max |
| Sodium Chloride, ppm | 50max |
| Iron (Fe), ppm | 3max |
| Heavy Metals, (Pb) ppm | 10max |
| Selenium, ppm | 2max |
| Arsenic, ppm | 1max |
| PH of 5% Solution (@ 25° C) | 9.5-10.6 |
| Ca/Mg NH40H Inso. % | 0.50max |
| Alk. as Na2C03 % w/w | 0.15max |
Ammonium Silver Nitrate Test *****Passes*****
Molecular Weight 126.05
Bulk Density 1.3 – 1.5 kg/dm3
Physical Properties:
• White, free flowing crystalline
• Odorless powder
Product conforms to the requirements of ANSI PH4 275:1980, ISO 418: 1994(E), BSS 3304 and Food Chemical Codex (FCC).
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