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

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Time of issue:Sep . 15, 2025 21:40

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

Hypophosphorous Acid, also known as Hypophosphoric Acid, is a colorless, transparent liquid with the chemical formula H₃PO₂. With a CAS number of 6303-21-5, it is a critical reagent in various industrial and chemical processes. This article explores its technical specifications, applications, and the company behind its production, Tangshan Moneide Trading Co., Ltd.

Product Overview

Hypophosphorous Acid is a powerful reducing agent, renowned for its role in electroless plating, chemical synthesis, and polymerization. Its unique properties make it indispensable in fields such as metallurgy, pharmaceuticals, and water treatment. The product is available in concentrations of 50.0% min., with strict purity controls on impurities like Phosphorous acid, Na, Fe, Cl, and Sulphate.

Key Features and Benefits

Potent Reducing Agent: Ideal for controlled chemical reductions in industrial processes.
Electroplating Applications: Enhances adhesion and uniformity in nickel electroplating.
Chemical Synthesis: Acts as an intermediate in producing phosphorus-based compounds.
Non-Toxic Profile: Safer alternative to other reducing agents in various 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
Appearance	Colorless transparent liquid
Hypophosphorous Acid Content	≥50.0%
Phosphorous Acid (max.)	0.5%
Sodium (Na) (max.)	0.5%
Iron (Fe) (max.)	10 ppm
Chloride (Cl) (max.)	150 ppm
Sulphate (max.)	100 ppm

Applications in Industry

Electroplating: Used in nickel electroplating to produce durable, uniform coatings. Learn more about its role in electroplating.
Chemical Manufacturing: Acts as a reducing agent in the synthesis of phosphine and other phosphorus derivatives.
Polymerization: Serves as an initiator in resin and plastic production.
Water Treatment: Applied to control contaminants in industrial water systems.
Pharmaceuticals: Utilized in the determination of elements like arsenic and tellurium, as well as in separating tantalum and niobium.

Company Background: Tangshan Moneide Trading Co., Ltd.

Tangshan Moneide Trading Co., Ltd. is a leading supplier of high-purity chemicals, including Hypophosphorous Acid. With a commitment to quality and innovation, the company provides specialized solutions for industries such as electronics, pharmaceuticals, and materials science. Their expertise in chemical formulation and supply chain management ensures reliable delivery of products like CAS 6303-21-5 to global markets.

For more information about Tangshan Moneide Trading Co., Ltd., visit their company page.

Storage and Handling

Hypophosphorous Acid should be stored in cool, dry places, away from heat and direct sunlight. It is typically packaged in drums or bulk container111s to maintain stability and prevent contamination. Proper handling is essential to preserve its efficacy and ensure safe usage in industrial applications.

Why Choose Hypophosphorous Acid?

Unlike other reducing agents, Hypophosphorous Acid offers a balance of reactivity and safety. Its ability to function in aqueous solutions makes it versatile for various chemical processes. Additionally, its role in producing sodium hypophosphite and other salts highlights its importance in agriculture and nutrition.

Scientific and Industrial Relevance

According to the National Institute of Standards and Technology (NIST), precise chemical measurements are critical for industrial applications. Hypophosphorous Acid’s specifications align with standards for purity and consistency, ensuring its reliability in scientific research and manufacturing. NIST’s guidelines on SI units further underscore the importance of accurate chemical characterization.

Conclusion

Hypophosphorous Acid is a cornerstone of modern chemistry, with applications spanning electroplating, pharmaceuticals, and materials science. Its unique properties, combined with the expertise of Tangshan Moneide Trading Co., Ltd., make it a trusted choice for industries worldwide. As research and technology advance, its role in innovation will continue to grow.