Hypophosphorous Acid 50% Solution

Hypophosphorous Acid is a powerful reducing agent and a monobasic acid, appearing as a colorless or pale yellow liquid. It is characterized by its strong reducing power and its ability to form hypophosphite salts. Its primary industrial importance lies in its role as the reducing agent in electroless nickel plating. It also finds use as an antioxidant and stabilizer.

  • Synonyms:

    HPA, Phosphinic Acid

  • Formula:

    H₃PO₂‌

  • CAS NO.:

    6303-21-5

  • Package:

    30KG Drum, 200KG Drum (Plastic)

  • Certificate:

    ISO9001

Our Achievement

Global Reach: Our Hypophosphorous Acid has been successfully exported and applied in key markets across the globe, including but not limited to the United States, Germany, India, Japan, and South Korea. Our product has consistent quality and ability to meet diverse international standards.


Equivalent Alternatives:  Our product has served as a reliable alternative to Solvay, Hubei Lianxing Chemical, Jiangsu Danhe, Zhejiang Jiahua Energy for several local manufacturers, helping them reduce costs with comparable (or even superior) results in performance.

Key Applications
  • Electroless Nickel Plating
  • Pharmaceutical Intermediate
  • Water Treatment (Oxygen Scavenger)
  • UV Cure Resin Catalyst
  • Antioxidant & Stabilizer
  • Chemical Synthesis
The main detailed uses of the product
  • Electroless Nickel Plating
    Electroless Nickel Plating

    Serves as the essential reducing agent in electroless nickel plating baths. It reduces nickel ions to metallic nickel, enabling the formation of a uniform, hard, and corrosion-resistant coating on metal and plastic substrates without external electricity.

  • Pharmaceutical Intermediate
    Pharmaceutical Intermediate

    Used in the synthesis of various pharmaceutical compounds, where its reducing properties are utilized in specific chemical transformations to create active ingredients.

  • Water Treatment (Oxygen Scavenger)
    Water Treatment (Oxygen Scavenger)

    Acts as an effective oxygen scavenger in boiler water treatment systems. It removes dissolved oxygen more efficiently than traditional agents like sodium sulfite, helping to prevent corrosion in high-pressure boilers.

  •  UV Cure Resin Catalyst
    UV Cure Resin Catalyst

    Functions as a curing agent and catalyst in unsaturated polyester resins and UV-curable coatings, promoting polymerization and improving the curing efficiency and final properties of the material.

Why Choose Our Hypophosphorous Acid 50% Solution?


Powerful and Efficient Reducing Action: Our Hypophosphorous Acid delivers strong and reliable reducing power, which is critical for achieving high-quality, consistent deposits in electroless nickel plating and efficient deoxygenation in water treatment.

High Purity for Demanding Applications: We guarantee consistent high purity and concentration, ensuring optimal performance and stability in sensitive applications like pharmaceuticals and resin catalysis.

Reliable Supply for Continuous Processes: Our secure supply chain ensures the timely delivery of this essential process chemical, supporting the uninterrupted operation of your plating lines and treatment systems.

Technical Expertise in Reduction Chemistry: Leverage our specialized knowledge to optimize the use of HPA in your plating formulations, water treatment programs, and synthesis routes for maximum efficiency and cost-effectiveness.

Commitment to Quality and Innovation

We are committed to providing high-quality Hypophosphorous Acid that meets stringent international standards. Our focus on innovation and sustainability ensures that our products not only enhance your applications but also align with evolving environmental regulations and industry trends.

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