High-Quality Phosphorous Acid (H3PO3) Manufacturer & Supplier: Industrial Grade for Water Treatment & Agriculture
Discover the industrial advantages of Phosphorous Acid (H3PO3), a key chemical intermediate. As a leading manufacturer and supplier in China, we provide high-purity H3PO3 for critical applications in water treatment, agriculture, and industrial processes. Explore its properties, applications, and how to purchase for your needs.
Get a Quote & SampleThe Essential Role of Phosphorous Acid in Modern Industry

Phosphorous Acid (H3PO3)
NINGBO INNO PHARMCHEM CO.,LTD. is your trusted supplier for Phosphorous Acid (CAS 13598-36-2). This versatile inorganic compound serves as a crucial intermediate in the preparation of numerous phosphite compounds, vital for water treatment solutions like scale inhibition and corrosion control. We are a reliable manufacturer, ensuring consistent quality and supply for your industrial needs.
- Reliable Phosphorous Acid H3PO3 Manufacturer in China offering competitive pricing.
- High-purity Phosphorous Acid for Water Treatment applications, ensuring effective scale and corrosion inhibition.
- Key ingredient in agricultural fungicides, supporting crop protection and plant nutrition.
- Essential chemical intermediate for producing phosphites, PVC stabilizers, and lubricants.
Key Advantages of Sourcing Phosphorous Acid from Us
Superior Purity and Quality
Our Phosphorous Acid meets stringent quality standards, ensuring optimal performance in your applications. We are a dedicated manufacturer committed to delivering premium chemical solutions.
Industrial Applications Expertise
Leverage our expertise in supplying Phosphorous Acid for diverse uses, from advanced water treatment systems to agricultural formulations. We understand your requirements for effective chemical intermediates.
Secure Supply Chain
As a leading supplier in China, we guarantee a stable and secure supply of Phosphorous Acid, helping you maintain uninterrupted production and meet market demands for H3PO3.
Diverse Applications of Phosphorous Acid
Water Treatment Solutions
Phosphorous acid is essential for producing phosphonates used in water treatment. These phosphonates act as scale inhibitors, corrosion control agents, and chlorine stabilizers, vital for industrial water systems. Purchase our high-grade H3PO3 for your water purification needs.
Agricultural Applications
The phosphite salts derived from phosphorous acid are widely used as agricultural fungicides, notably against downy mildew, and as a superior source of plant phosphorous nutrition. Buy phosphorous acid for enhancing crop health and yield.
Plastic and Lubricant Industries
Phosphorous acid serves as a stabilizer for plastic materials and is used in the production of lubricants and lubricant additives. Its unique chemical properties make it valuable in these sectors. Inquire about bulk purchase options for industrial manufacturing.
Chemical Synthesis Intermediate
As a fundamental intermediate, phosphorous acid is integral to the synthesis of other phosphorus compounds, including various phosphonates and phosphites. Partner with a reliable manufacturer for your chemical synthesis requirements.