Your Trusted Phosphorous Acid Supplier in India and Beyond

Your Trusted Phosphorous Acid Supplier in India and Beyond


 Welcome to Kolkata Chemical, your reliable source of high-quality phosphorous acid in India. As a leading supplier, manufacturer, and distributor, we are committed to meeting the diverse chemical needs of our customers in Kolkata, as well as top cities across India, the Middle East, and the world.

CAS NO: 13598-36-2 Formula: H3PO3

Product Description: At Kolkata Chemical, we offer phosphorous acid in its purest form. Our product is a colorless, crystalline compound with excellent water solubility. With stringent quality control measures, we ensure that our phosphorous acid meets the highest industry standards, guaranteeing its effectiveness and reliability.

Usage and Application: Phosphorous acid has diverse applications across various industries. Some common uses include:

  1. Agriculture: It is utilized as a key ingredient in fertilizers to enhance nutrient absorption and promote plant growth.
  2. Pharmaceuticals: Phosphorous acid is an essential component in the synthesis of pharmaceutical compounds with valuable medicinal properties.
  3. Water Treatment: Its strong reducing properties make it an effective agent for removing heavy metals and impurities during water treatment processes.
  4. Chemical Industry: Phosphorous acid serves as an important intermediate in the production of flame retardants, surfactants, and specialty chemicals.

Product Parameters:

  • Appearance: Colorless crystals
  • Purity: Minimum 99%
  • pH (1% solution): 2.0-2.5
  • Moisture Content: Maximum 0.2%

Our Advantages: Choosing Kolkata Chemical as your phosphorous acid supplier offers several advantages:

  1. Superior Quality: We prioritize stringent quality control measures to ensure the highest product standards and customer satisfaction.
  2. Extensive Distribution Network: Our products are supplied not only in Kolkata but also in major cities across India, the Middle East, and around the world, including Delhi, Mumbai, Dubai, Riyadh, Singapore, and London.
  3. Competitive Pricing: We provide competitive prices without compromising on product quality.
  4. Timely Delivery: With efficient logistics management, we strive to deliver orders promptly, meeting your deadlines.
  5. Customer-centric Approach: Our dedicated customer support team is committed to addressing inquiries and concerns promptly and providing excellent service.

Company Info: Kolkata Chemical is a reputable chemical supplier, manufacturer, and distributor in India. With a state-of-the-art manufacturing facility and a team of experienced professionals, we are dedicated to delivering high-quality chemicals to our valued customers.

Packing: To ensure the safe transportation and storage of our phosphorous acid, we use premium-quality packaging materials. Our options include 25kg bags, 500kg jumbo bags, or customized packaging tailored to your specific requirements.

Plant Area: Our modern manufacturing plant in Kolkata boasts a spacious production area equipped with advanced machinery. Strict adherence to quality control protocols guarantees the consistent quality of our phosphorous acid and other chemical products.

Terms of Payment: We offer flexible payment terms to facilitate smooth transactions. Accepted methods include bank transfers, letters of credit (L/C), and secure online payment options.

Nearest Port: For convenient shipment, we leverage the strategic location of the Kolkata Port. It enables efficient logistics and easy access to national and international markets.

Import & Export Mode: Kolkata Chemical operates in both import and export modes, facilitating global trade. We have established a strong network that enables the seamless import of raw materials and the export of finished products.


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