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Hypophosphorous Acid-CAS 6303-21-5|Industrial Reducing Agent&Electroless Plating

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Time of issue:Oct . 06, 2025 02:15

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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Hypophosphorous Acid-CAS 6303-21-5|Industrial Reducing Agent&Electroless Plating

Hypophosphorous Acid (CAS 6303-21-5) is a colorless, transparent liquid with remarkable reducing properties, playing a pivotal role in industrial chemistry. As a critical intermediate in the production of phosphorus-based compounds, this acid is widely utilized in electroplating, chemical synthesis, and polymerization processes. Manufactured by Tangshan Moneide Trading Co., Ltd., it is trusted for its high purity and consistent performance across diverse 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 (min)	50.0%
Phosphorous Acid (max)	0.5%
Sodium (Na) (max)	0.5%
Iron (Fe) (max)	10 ppm
Chloride (Cl) (max)	150 ppm
Sulfate (max)	100 ppm

Key Features and Benefits

Hypophosphorous Acid is celebrated for its exceptional reducing capabilities, making it indispensable in chemical processes requiring precise control. Its applications span multiple industries, from metallurgy to pharmaceuticals, due to its unique properties:

Potent Reducing Agent: The acid's strong reducing properties enable it to facilitate reactions where controlled reduction is critical, such as in the synthesis of phosphine and other phosphorus derivatives.
Electroplating Enhancer: In electroless plating, it improves the adhesion, smoothness, and uniformity of metal coatings, particularly in nickel plating.
Chemical Synthesis: It serves as a precursor for producing hypophosphites and their salts, which are vital in agriculture and medicine as nutrient additives.
Non-Toxic Profile: Compared to other reducing agents, Hypophosphorous Acid is considered less toxic, enhancing safety in industrial environments.

Applications in Industry

The versatility of Hypophosphorous Acid is evident in its wide-ranging applications:

1. Electroplating

As a reducing agent for electroless plating, it ensures the formation of high-quality, uniform metal coatings. This is particularly crucial in the electronics and automotive industries, where durable and corrosion-resistant surfaces are required.

2. Chemical Manufacturing

The acid is used to produce phosphorus compounds like phosphine, which are essential in the pharmaceutical and agricultural sectors. Its role in chemical synthesis highlights its importance in creating value-added products.

3. Polymerization

In polymer production, Hypophosphorous Acid acts as an initiator, enabling the creation of resins and plastics with enhanced thermal and mechanical stability.

4. Water Treatment

It is occasionally employed in water treatment systems to neutralize harmful substances, contributing to environmental protection and public health.

Company Background: Tangshan Moneide Trading Co., Ltd.

Tangshan Moneide Trading Co., Ltd., a leading supplier of specialty chemicals, has established itself as a reliable provider of high-purity Hypophosphorous Acid. With a commitment to quality and innovation, the company caters to global markets, offering products that meet stringent industry standards. Their expertise in chemical manufacturing and distribution ensures that clients receive consistent, high-performance solutions.

Storage and Handling

Hypophosphorous Acid should be stored in a cool, dry place, away from heat sources and direct sunlight. It is typically packaged in drums or bulk container111s to maintain its stability and efficacy. Proper handling procedures are essential to prevent contamination and ensure safety during transportation and use.

Authoritative Citations

According to the National Institute of Standards and Technology (NIST), Hypophosphorous Acid is classified as a strong reducing agent with a molecular weight of 63.98 g/mol. Its properties are extensively documented in the NIST Chemistry WebBook, which provides critical data for industrial and academic applications.

Conclusion

Hypophosphorous Acid (CAS 6303-21-5) is an indispensable chemical in modern industry, offering a unique combination of reducing power, safety, and versatility. Whether used in electroplating, chemical synthesis, or polymer production, it continues to drive innovation and efficiency. For high-quality Hypophosphorous Acid, Tangshan Moneide Trading Co., Ltd. remains a trusted partner, delivering excellence in every batch.