CAS · 7681-53-0
Product Overview
Sodium hypophosphite is a high-purity pharmaceutical-intermediates supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Appearance | White crystal |
|---|---|
| Purity | 101.00 ~ 103.00% |
| Sodium phosphite (Na₂HPO₃) | 0.3% max |
| Calcium (Ca) | 0.005% max |
| Iron (Fe) | 0.0002% max |
| Sulphate | 0.02% max |
| Chloride (Cl) | 0.015% max |
| Lead (Pb) | 0.0001% max |
| Arsenic (As) | 0.0001% max |
| pH | 6 ~ 8 |
Applications
Sodium hypophosphite is an inorganic phosphorus compound widely used in chemical processing, surface treatment, and pharmaceutical manufacturing. It is most commonly applied as a reducing agent in electroless nickel and other metal plating processes, where it enables uniform metal deposition without the need for an external electric current. In chemical synthesis, sodium hypophosphite is used as a reducing agent and as a source of hypophosphite ions in reactions involving phosphorus-containing intermediates. It also serves as a stabilizer and antioxidant in certain polymer and resin formulations. In the pharmaceutical and fine chemical industries, sodium hypophosphite is employed in catalytic hydrogenation processes and as a reagent in the preparation of active ingredients and intermediates.
Benefits
Sodium hypophosphite offers several advantages due to its strong reducing capability, water solubility, and operational reliability. Its high solubility in water allows easy handling and precise dosing in aqueous systems, particularly in plating baths and industrial processes. The compound provides consistent and controlled reduction performance, leading to uniform coatings and high-quality surface finishes. It is relatively stable under normal storage conditions and compatible with a wide range of process chemistries. Additionally, sodium hypophosphite enables efficient reactions at moderate temperatures, reducing energy consumption and improving overall process efficiency.
Conclusion
Sodium hypophosphite is a versatile and effective reducing agent with broad applications in electroless plating, chemical synthesis, and industrial processing. Its benefits, including strong reducing power, water solubility, stability, and process efficiency, make it an essential reagent in surface treatment and manufacturing environments. The compound continues to play a key role in advancing metal finishing technologies and supporting reliable chemical production.
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