Moneide Chemicals
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Hypophosphorous Acid-CAS 6303-21-5|Electroless Plating Reducing Agent
- Time of issue:Sep . 15, 2025 18:22
(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 .
- Categories:Company dynamic
- Author:
- Origin:
- Time of issue:2019-12-30 10:55
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Hypophosphorous Acid (H3PO2), also known as hypophosphoric acid, is a colorless, transparent liquid with a molecular formula of H3PO2 and a molecular weight of 63.980501. This compound is a critical industrial chemical, widely utilized for its strong reducing properties and versatility in various applications. As a key intermediate in chemical synthesis, it plays a pivotal role in industries ranging from electroplating to pharmaceuticals. This article delves into the technical specifications, advantages, applications, and the company behind this essential chemical—Tangshan Moneide Trading Co., Ltd. Hypophosphorous Acid is renowned for its unique chemical properties and broad applicability. Below are its core features and benefits: Hypophosphorous Acid is a versatile chemical with applications across multiple sectors. Its primary uses include: 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 products that meet international standards and cater to diverse industrial needs. Their expertise in chemical distribution and customer service has established them as a trusted partner in the global chemical market. For more information about Hypophosphorous Acid and other chemical products, visit the company's official website: Tangshan Moneide Trading Co., Ltd. The importance of precise chemical specifications and safety protocols is underscored by the work of the National Institute of Standards and Technology (NIST). As a U.S. government agency, NIST develops and promotes measurement standards to ensure accuracy and consistency across industries. While this article focuses on Hypophosphorous Acid, the principles of measurement and safety alignment with NIST guidelines are critical for chemical manufacturing and application. According to NIST's official website, "Standards and measurements are the foundation of technological innovation and economic growth." This aligns with the rigorous quality control practices employed by companies like Tangshan Moneide Trading Co., Ltd., ensuring that products like Hypophosphorous Acid meet global safety and performance benchmarks. Hypophosphorous Acid (CAS 6303-21-5) is a vital chemical with a wide range of applications in industry, research, and manufacturing. Its unique properties as a reducing agent and its role in chemical synthesis make it indispensable in modern technology. With its high purity, safety profile, and versatility, Hypophosphorous Acid continues to drive innovation across multiple sectors. For detailed product specifications, safety data, and technical support, visit the official product page: Hypophosphorous Acid (CAS 6303-21-5). NIST (National Institute of Standards and Technology). https://www.nist.gov Tangshan Moneide Trading Co., Ltd.. https://www.moneidechem.com
Product Features and Key Advantages
Technical Specifications
Parameter
Specification
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
≤0.5%
Sodium (Na)
≤0.5%
Iron (Fe)
≤10 ppm
Chloride (Cl)
≤150 ppm
Sulfate
≤100 ppm
Applications in Industry and Research
Company Background: Tangshan Moneide Trading Co., Ltd.
Authority and Reliability: NIST Standards and Chemical Safety
Conclusion
References
Moneide Chemicals
Tel: 0086-315-8309571
WhatsApp/WeChat/Mobile: 0086-15633399667
Skype: janet-honest
Mail: sales@moneidechem.com
Address: 2-7-523 Jidong Building Materials Commercial Center, Tangshan, Hebei 064000 China
Hypophosphorous Acid CAS 6303-21-5 | Electroless Plating Reducing Agent
- Time of issue:Sep . 15, 2025 18:21
(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 .
- Categories:Company dynamic
- Author:
- Origin:
- Time of issue:2019-12-30 10:55
- Views:
Hypophosphorous acid (H3PO2) is a unique chemical compound that has gained significant attention across various industries due to its exceptional reducing properties and wide range of applications. As a colorless, transparent liquid with a molecular formula of H3PO2, it plays a critical role in chemical synthesis, metal treatment, and electroplating processes. This article provides an in-depth analysis of Hypophosphorous Acid, including its technical specifications, key features, and real-world applications. Additionally, we explore the company behind this product, Tangshan Moneide Trading Co., Ltd., and reference authoritative sources such as the National Institute of Standards and Technology (NIST) to ensure credibility and accuracy. Hypophosphorous acid, also known as hypophosphoric acid, is a weak acid with a CAS number of 6303-21-5. Its molecular weight is approximately 63.98 g/mol, and it is typically available in a 50.0% concentration. The compound is characterized by its colorless, transparent liquid form and is widely used as a reducing agent in industrial and chemical processes. Hypophosphorous acid offers several advantages that make it indispensable in modern industrial applications: Hypophosphorous acid is a versatile compound with applications spanning multiple industries. Below are some of its key uses: Tangshan Moneide Trading Co., Ltd. is a leading supplier of chemical products, including Hypophosphorous acid. With a commitment to quality and innovation, the company provides high-purity chemicals tailored to meet the needs of diverse industries. Their expertise in chemical manufacturing and distribution ensures that clients receive reliable, high-quality products. The production and use of Hypophosphorous acid are governed by strict industry standards to ensure safety and efficacy. NIST, the National Institute of Standards and Technology, plays a pivotal role in establishing measurement standards that underpin the accuracy and reliability of chemical products. As stated on the NIST website, "NIST is the National Metrology Institute for the United States, also known as an NMI. Everything you use in your everyday life works because of measurements." This emphasis on precision and standardization ensures that Hypophosphorous acid meets the highest quality benchmarks for industrial and scientific applications. To maintain the stability and effectiveness of Hypophosphorous acid, proper storage and handling are essential. The compound is typically packaged in drums or bulk container111s and should be stored in a cool, dry place away from heat sources and direct sunlight. Adhering to these guidelines helps preserve its chemical integrity and ensures safe usage in industrial settings. Hypophosphorous acid is a critical chemical with a wide range of applications in industrial, scientific, and medical fields. Its unique properties, including its strong reducing capabilities and non-toxic nature, make it an invaluable resource for manufacturers and researchers. Companies like Tangshan Moneide Trading Co., Ltd. play a vital role in supplying high-quality Hypophosphorous acid to meet the demands of global industries. As highlighted by NIST, the importance of precise measurements and standards cannot be overstated, ensuring that products like Hypophosphorous acid continue to drive innovation and progress. National Institute of Standards and Technology (NIST). "About NIST." Retrieved from https://www.nist.gov. Tangshan Moneide Trading Co., Ltd.. "Hypophosphorous Acid (CAS 6303-21-5)." Retrieved from https://www.moneidechem.com/hypophosphorous-acid-cas-6303-21-5.html.Introduction
Product Overview

Key Features and Benefits
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
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.
Sulfate
100 ppm max.
Applications in Industry and Science
Company Background: Tangshan Moneide Trading Co., Ltd.

Industry Standards and Regulatory Compliance
Storage and Handling
Conclusion
References