Why Sodium Bisulfite 25% Solution – Technical Grade
Sodium Bisulfite 25% Solution – Technical Grade (NaHSO3) is an aqueous, clear to pale yellow liquid formulated specifically for industrial and environmental operations requiring a ready-to-dose reducing agent. The exact 25% concentration provides an optimal balance between chemical activity and cold-weather handling stability, significantly lowering the risk of line crystallization and pumping failures often associated with higher saturation levels. Because it is delivered as a fully dissolved liquid, this technical grade chemical eliminates the hazardous dust generation, lengthy dissolution times, and incomplete mixing issues inherent to dry inorganic powders. The product is entirely soluble in water and alcohol, ensuring immediate dispersion and rapid reaction kinetics in time-sensitive industrial processes.
Best Applications for This Grade
- Commonly applied in large-scale municipal and industrial wastewater treatment facilities as a rapid-acting dechlorination agent to neutralize free and combined chlorine residuals prior to final effluent discharge into natural waterways.
- Functions as a targeted oxygen scavenger commonly applied in industrial boiler water systems, where it continuously reacts with dissolved oxygen to halt oxidative corrosion and extend the operational lifespan of internal metal pipes and heating surfaces.
- Serves as a critical reducing agent commonly applied in metal finishing and electroplating facilities, specifically engineered to reduce hazardous hexavalent chromium to the easier-to-manage trivalent chromium state for subsequent precipitation and removal.
- Commonly applied in textile bleaching and paper manufacturing processes as an antichlor, actively neutralizing residual peroxide or chlorine to halt the bleaching reaction and prevent ongoing degradation of the cellulose or fabric fibers.
When to Choose a Different Grade
- If your operation processes high-volume water treatment and requires a more concentrated solution to reduce freight costs and minimize inventory footprint, evaluate Sodium Bisulfite 40%.
- If your environmental application demands an oxidizing agent rather than a reducing compound, particularly for complex odor control or specialized water treatment protocols, consider Sodium Chlorite Flakes 80% - Technical Grade.
- If your facility is better equipped to handle dry inorganic salts, or if your specific application involves photographic processing and cyanide neutralization, Sodium Thiosulfate is the appropriate alternative.
- If your formulation requires a chelating agent to bind dissolved heavy metal ions in industrial cleaning solutions rather than a chemical reducer, Trisodium EDTA provides the necessary molecular structure.
| Molecular Weight |
104.06 |
| Formula |
NaHSO3 |
| Assay |
24-26% |
| Grade |
Technical Grade |
| Flash Point |
Not applicable (aqueous solution; not classified as flammable) |
| Form |
Liquid |
| Solubility |
Soluble in water |
| Appearance |
Colorless to pale yellow liquid |
| Specific Gravity |
1.10 |
| Industry |
Environmental, Food & Beverage, Chemical Manufacturing, Laboratory, Textiles |