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Hypophosphorous Acid-CAS 6303 21 5-Tangshan Moneide Trading Co Ltd | Electroplating Reducing Agent

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Time of issue:Sep . 22, 2025 23:00

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-Tangshan Moneide Trading Co Ltd | Electroplating Reducing Agent

Introduction

Hypophosphorous Acid (H₃PO₂) is a colorless, transparent liquid with potent reducing properties. Known by alternative names such as Hypophosphoric Acid, this compound plays a critical role in various industrial and chemical processes. Its unique chemical structure and reactivity make it an essential component in fields ranging from electroplating to pharmaceuticals. This article provides an in-depth analysis of its features, applications, technical specifications, and the company behind this product: Tangshan Moneide Trading Co., Ltd..

Key Features and Benefits

Powerful Reducing Agent: Hypophosphorous Acid is renowned for its strong reducing capabilities, making it ideal for controlled chemical reactions where precision is required.
Electroplating Applications: It is extensively used in electroless plating to produce uniform, durable metal coatings, particularly in nickel electroplating. This enhances the adhesion, smoothness, and thickness of metal surfaces, improving product quality and performance.
Chemical Synthesis: Acts as an intermediate in the production of phosphine, phosphorus derivatives, and other phosphorus-based chemicals critical for the pharmaceutical and agricultural industries.
Non-Toxic Profile: Compared to other reducing agents, Hypophosphorous Acid is considered less toxic, ensuring safer handling in industrial settings.
Multi-Functional Use: It serves as an esterification catalyst, a refrigerant, and a reagent for separating elements like tantalum and niobium in analytical chemistry.

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
Purity	50.0% min. (Hypophosphorous Acid)
Impurities	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 in Industry

Electroplating: Hypophosphorous Acid is a cornerstone in electroless nickel plating, enabling the production of high-quality coatings with superior adhesion and corrosion resistance. This is particularly vital in the manufacturing of electronics, automotive components, and aerospace materials.
Chemical Manufacturing: It serves as a reducing agent in the synthesis of phosphorus compounds, including phosphine (PH₃), which is used in semiconductor manufacturing and pesticide production.
Polymerization: Acts as an initiator in polymerization processes for resins and plastics, enhancing the efficiency of material synthesis.
Water Treatment: Occasionally used to remove undesirable substances, such as heavy metals, from water systems.
Pharmaceuticals: Functions as a reagent in the determination of elements like arsenic and tellurium, and as a reducing agent in drug formulation.

Company Background: Tangshan Moneide Trading Co., Ltd.

Tangshan Moneide Trading Co., Ltd. is a leading supplier of specialty chemicals, with a strong focus on Hypophosphorous Acid (CAS 6303-21-5). The company specializes in providing high-purity chemical products tailored to industrial and research needs. Their commitment to quality and innovation has established them as a trusted partner in the global chemical supply chain.

Packaging and Storage

Hypophosphorous Acid is typically available in drum or bulk packaging to accommodate varying customer requirements. For optimal stability and effectiveness, it should be stored in a cool, dry place, away from heat sources and direct sunlight. Proper storage ensures the preservation of its chemical integrity and extends its shelf life.

权威引用 (Authoritative Sources)

According to the National Institute of Standards and Technology (NIST), Hypophosphorous Acid is classified as a reducing agent with specific physicochemical properties that make it suitable for industrial applications. NIST's data on its molecular structure and reactivity corroborates its use in electroplating and chemical synthesis. For further details on its safety and handling, refer to the NIST Chemistry WebBook.

Conclusion

Hypophosphorous Acid (H₃PO₂) is a multifunctional chemical with a wide range of applications across industries. Its unique properties as a reducing agent, combined with its non-toxic profile, make it an indispensable component in modern manufacturing. Tangshan Moneide Trading Co., Ltd. continues to lead in supplying high-quality Hypophosphorous Acid, ensuring reliability and performance for global clients.