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Hypophosphorous Acid-CAS 6303-21-5|Reducing Agent for Electroless Plating&Chemical Synthesis

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Time of issue:Sep . 29, 2025 08:15

Tangshan Moneide Trading Co., Ltd. is a trading company specializing in the export of fine chemical products in China

(Summary description)Tangshan Moneide Trading Co., Ltd. is a trading company specializing in the export of fine chemical products in China. Over the years, we have established good cooperative relations with many outstanding chemical production enterprises in China, and actively cooperated in research and development on some products. Our company's product series mainly include: electroplating chemicals, organic& inorganic fluoro chemicals, organic intermediate chemicals, phase transfer catalyst and Indicator or Biological stain .

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Time of issue:2019-12-30 10:55
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Information

Introduction to Hypophosphorous Acid

Hypophosphorous Acid (H₃PO₂) is a colorless, transparent liquid with powerful reducing properties. It plays a critical role in various industrial and chemical applications, including chemical synthesis, metal treatment, and electroplating. As a mild acid, it serves as an essential intermediate in the production of phosphorus compounds and other high-value chemicals. This article provides a comprehensive overview of its features, technical specifications, applications, and the company behind its production.

Hypophosphorous Acid-CAS 6303-21-5|Reducing Agent for Electroless Plating&Chemical Synthesis

Key Features and Advantages

Hypophosphorous Acid is renowned for its unique properties that make it indispensable in multiple industries. Below are its core features and advantages:

Powerful Reducing Agent: Its strong reducing capabilities make it ideal for chemical reactions requiring controlled reduction, such as in electroplating and organic synthesis.
Electroplating Applications: It enhances the adhesion, smoothness, and thickness of metal coatings, particularly in nickel electroplating, ensuring high-quality finishes.
Chemical Synthesis: Acts as a key intermediate in producing phosphine, phosphorus derivatives, and other phosphorus-based chemicals used in pharmaceuticals and agriculture.
Non-Toxicity: Compared to other reducing agents, it is considered less toxic, offering safer handling and usage in industrial environments.
Stability: When stored properly, it maintains its effectiveness and chemical stability, making it reliable for long-term applications.

Technical Specifications

Parameter	Details
Chemical Name	Hypophosphorous Acid
Another Name	Hypophosphoric Acid
CAS No.	6303-21-5
Molecular Formula	H₃PO₂
Molecular Weight	63.980501 g/mol
Appearance	Colorless transparent liquid
Hypophosphorous Acid Content	50.0% min.
Phosphorous Acid	0.5% max.
Sodium (Na)	0.5% max.
Iron (Fe)	10 ppm max.
Chloride (Cl)	150 ppm max.
Sulfate	100 ppm max.

Applications of Hypophosphorous Acid

Hypophosphorous Acid is utilized across diverse industries due to its versatility. Key applications include:

Electroless Plating: Acts as a reducing agent to deposit metal coatings without external electrical sources, ensuring uniform and durable finishes.
Preventing Discoloration: Used in phosphoric acid resins to prevent discoloration, maintaining product quality in polymer applications.
Catalysis: Serves as an esterification catalyst and refrigerant in chemical processes, enhancing reaction efficiency.
Production of Salts: Used to synthesize hypophosphites, sodium salts, and other compounds that act as nutrients in agriculture and industry.
Medical and Analytical Uses: Employed in medicine as a reducing agent for arsenic and tellurium determination, and in separating tantalum and niobium.
Water Treatment: Applied to control and reduce undesirable substances in water purification systems.

Company Background: Tangshan Moneide Trading Co., Ltd.

Tangshan Moneide Trading Co., Ltd. is a leading supplier of chemical products, specializing in high-purity compounds like Hypophosphorous Acid. With a commitment to quality and innovation, the company ensures that its products meet stringent industry standards. Their expertise in chemical manufacturing and distribution has made them a trusted partner for industries worldwide.

For more information about their Hypophosphorous Acid, visit their official product page.

Storage and Packaging

Hypophosphorous Acid is typically available in drum or bulk packaging. Proper storage is critical to maintaining its stability and effectiveness. The acid should be kept in a cool, dry place, away from heat sources and direct sunlight. This ensures the preservation of its chemical properties and prevents degradation over time.

Conclusion

Hypophosphorous Acid is a versatile chemical with wide-ranging applications in industrial and chemical processes. Its unique properties, such as strong reducing capabilities and non-toxicity, make it a preferred choice for manufacturers and researchers. Tangshan Moneide Trading Co., Ltd. continues to provide high-quality solutions, supporting industries that rely on this essential compound.