sodium hypophosphite

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 component in various industrial and chemical processes. This article delves into its properties, applications, and significance in modern technology, while highlighting the role of authoritative institutions like the National Institute of Standards and Technology (NIST) in ensuring chemical accuracy and safety. Product 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% min. Phosphorous Acid 0.5% max. Sodium (Na) 0.5% max. Iron (Fe) 10 ppm max. Chloride (Cl) 150 ppm max. Sulphate 100 ppm max. Key Features and Benefits Hypophosphorous acid is renowned for its powerful reducing properties , making it indispensable in chemical synthesis and industrial applications. Its unique characteristics include: Electroplating Agent: Widely used in nickel electroplating to enhance adhesion, smoothness, and thickness of metal coatings. Learn more about its role in electroplating . Chemical Intermediate: Acts as a precursor in the production of phosphine, phosphorus derivatives, and other phosphorus-based chemicals critical to pharmaceuticals and agriculture. Non-Toxicity: Compared to other reducing agents, hypophosphorous acid is considered less toxic, ensuring safer handling in industrial environments. Stability: Maintains effectiveness under controlled storage conditions, as outlined in the packaging and storage guidelines . Applications in Industry Hypophosphorous acid is a cornerstone in multiple industries, including: Electroless Plating: Serves as a reducing agent to deposit metal coatings without external electrical current. This application is pivotal in manufacturing high-quality nickel plating for electronics and automotive components. Chemical Manufacturing: Used in the synthesis of phosphorus compounds, such as phosphine, which is essential in the production of pesticides and pharmaceuticals. Water Treatment: Occasionally applied to remove contaminants and improve water quality, though its use in this sector requires careful regulation. Medicine: Functions as a reducing agent in analytical chemistry, aiding in the determination of elements like arsenic and tellurium. It also plays a role in the separation of tantalum and niobium. The NIST emphasizes the importance of precise chemical measurements in such applications, ensuring that standards like those for hypophosphorous acid meet rigorous quality benchmarks. Packaging and Storage Hypophosphorous acid is typically supplied in drum or bulk packaging to facilitate large-scale industrial use. Proper storage is critical to maintain its stability and efficacy. The acid should be kept in a cool, dry place, away from heat sources and direct sunlight. These precautions align with the NIST guidelines for chemical storage, which prioritize safety and longevity. Company Background: Tangshan Moneide Trading Co., Ltd. As a leading supplier of specialty chemicals, Tangshan Moneide Trading Co., Ltd. specializes in providing high-purity hypophosphorous acid and related compounds. With a commitment to quality and innovation, the company ensures that its products meet international standards. Their expertise in chemical distribution and customer support makes them a trusted partner in industries reliant on precision chemicals. Conclusion Hypophosphorous acid is a versatile and essential chemical with applications spanning electroplating, pharmaceuticals, and industrial synthesis. Its unique properties, combined with the rigorous standards upheld by organizations like the National Institute of Standards and Technology (NIST) , ensure its reliability and safety in diverse applications. As industries continue to evolve, the demand for precise, high-quality chemicals like hypophosphorous acid will remain critical. References 1. NIST (National Institute of Standards and Technology) The NIST plays a pivotal role in developing measurement standards and methods for the chemical industry. Their work ensures the accuracy and consistency of chemical products, including hypophosphorous acid. For more information, visit the NIST website . 2. Product Specifications and Applications Information on hypophosphorous acid is sourced from the Tangshan Moneide Trading Co., Ltd. product page , which provides detailed technical data and usage guidelines.