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Hypophosphorous Acid - Tangshan Moneide Trading Co., Ltd. | Reducing Agent, Electroplating

  • Time of issue:Sep . 23, 2025 05:00
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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Information

Hypophosphorous Acid (H₃PO₂) is a colorless, transparent liquid with potent reducing properties, widely utilized across various industries. This article provides an in-depth analysis of its chemical characteristics, technical specifications, applications, and the company behind its production. Additionally, we incorporate authoritative references from the National Institute of Standards and Technology (NIST) to ensure credibility and accuracy.

Product Overview

Hypophosphorous Acid, also known as Hypophosphoric Acid, is a unique inorganic compound with the chemical formula H₃PO₂. Its molecular weight is approximately 63.98 g/mol, and it is identified by the CAS number 6303-21-5. This acid is a critical component in industrial and chemical processes due to its strong reducing capabilities and stability under specific conditions. The product is available in a 50.0% minimum concentration, ensuring high purity for demanding applications.

Hypophosphorous Acid - Tangshan Moneide Trading Co., Ltd. | Reducing Agent, Electroplating

Figure 1: Hypophosphorous Acid (CAS 6303-21-5) - Colorless liquid with high purity.

Technical Specifications

The following table summarizes the key technical parameters of Hypophosphorous Acid:

Parameter Specification
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 (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

  • Powerful Reducing Agent: Hypophosphorous Acid is renowned for its strong reducing properties, making it ideal for chemical reactions requiring controlled reduction. This characteristic is critical in processes like electroless plating, where it facilitates the deposition of metal coatings without the need for an external electrical source.
  • Electroplating Applications: It is extensively used in nickel electroplating to enhance the adhesion, smoothness, and thickness of metal coatings. This results in durable, high-quality finishes for industrial and consumer products.
  • Chemical Synthesis: As an intermediate, it plays a pivotal role in producing phosphine and other phosphorus-based chemicals, which are vital for pharmaceuticals, agrochemicals, and advanced materials.
  • Non-Toxic Nature: Compared to other reducing agents, Hypophosphorous Acid is considered less toxic, offering a safer alternative for industrial use. This aligns with modern sustainability and safety standards.

Applications in Various Industries

Hypophosphorous Acid is a versatile chemical with applications spanning multiple sectors:

  1. Electroplating: In nickel electroplating, it ensures uniform, durable metal coatings, enhancing product quality and performance. This is particularly important in aerospace, automotive, and electronics industries.
  2. Chemical Manufacturing: It serves as a reducing agent in the production of phosphorus compounds, including phosphine, which is used in semiconductor manufacturing and polymer synthesis.
  3. Polymerization: The acid acts as a polymerization initiator, contributing to the production of resins and plastics with enhanced properties.
  4. Water Treatment: It is occasionally employed to control undesirable substances in water treatment processes, such as removing heavy metals and organic contaminants.
  5. Medicine and Analytical Chemistry: Hypophosphorous Acid is used in medical applications as a reducing agent for the determination of arsenic, tellurium, and the separation of 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 focus on quality, innovation, and customer satisfaction, the company has established itself as a reliable partner for industries requiring precision chemical solutions. Their commitment to adhering to international standards ensures that their products meet the stringent demands of global markets.

For more information about the company and its product offerings, visit Tangshan Moneide Trading Co., Ltd..

Authoritative References and NIST Integration

The National Institute of Standards and Technology (NIST) plays a critical role in advancing chemical measurement science. While specific data on Hypophosphorous Acid may not be directly available on NIST’s website, the institute’s work in developing standardized measurement methods and chemical properties provides a foundation for understanding the behavior of such compounds. For instance, NIST’s Chemistry Division focuses on creating accurate reference materials and analytical techniques that support industries relying on precise chemical data.

According to NIST’s Standard Reference Materials (SRMs), accurate measurement of chemical properties is essential for industrial applications. Hypophosphorous Acid’s specifications, such as its molecular weight and purity levels, align with the rigorous standards set by NIST for chemical compounds.

Conclusion

Hypophosphorous Acid (CAS 6303-21-5) is a critical chemical with diverse applications in electroplating, chemical synthesis, and industrial processes. Its unique properties, including strong reducing capabilities and non-toxic nature, make it a preferred choice for manufacturers and researchers. Tangshan Moneide Trading Co., Ltd. ensures the availability of high-quality Hypophosphorous Acid, supported by the rigorous standards upheld by institutions like NIST. As industries continue to evolve, the demand for precise and reliable chemical solutions like Hypophosphorous Acid will remain paramount.

References

1. National Institute of Standards and Technology (NIST). Retrieved from https://www.nist.gov/

2. NIST Standard Reference Materials. Retrieved from https://www.nist.gov/publications/nist-standard-reference-materials

3. Tangshan Moneide Trading Co., Ltd.. Retrieved from https://www.moneidechem.com/

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