Phosphorous acid (CAS: 13598-36-2, molecular formula: H₃PO₃) is a white crystalline powder, easily soluble in water and alcohol.
It serves as a key inorganic chemical intermediate with strong reducing properties.
Product Parameter (Specification)
As a professional manufacturer, we provide high-purity phosphorous acid with stable quality:
|
Item |
Super Grade |
|
Assay (H₃PO₃) |
≥ 98.5% |
|
Appearance |
White crystalline powder |
|
Phosphate (PO₄) |
≤ 0.1% |
|
Chloride (Cl) |
≤ 0.005% |
|
Iron (Fe) |
≤ 0.001% |
|
Sulfate (SO₄) |
≤ 0.0001% |
|
(Specifications reference industry standard, COA available upon request). |
|
Product Feature and Application
Our phosphorous acid features high purity, low impurity content (especially low chloride and phosphate), and stable chemical properties.
Main Applications:
Agriculture
Raw material for pesticide intermediates and high-efficiency foliar fertilizers (phosphites) to prevent crop diseases.
Plastics Industry
Used as a stabilizer and nylon whitening agent.
Water Treatment
Key raw material for organic phosphonates (HEDP, ATMP, PBTC) used as scale and corrosion inhibitors.
Chemical Industry
As a reducing agent and intermediate for synthesizing other phosphorus compounds.
Production Details
Handan Huajun Chemicals Co., Ltd. owns our own production factory. We utilize advanced manufacturing technology to ensure strict control over reaction parameters, resulting in a consistent and high-quality output.
Our facility is equipped to handle both solid (crystalline) and liquid formulations.
Product Qualification
We are a specialized manufacturer with a strong quality management system.
We hold ISO certification, ensuring that every batch meets international standards.
Our products are reliable and trusted by domestic and international clients due to our commitment to excellence.
Deliver, Shipping and Serving
Packaging
Available in 25kg PP/PE woven bags, 1000kg jumbo bags, or according to customer requirements.
Shipping
We have robust logistics handling both domestic and international shipping. As a corrosive material (Class 8, UN2834), we strictly follow safety regulations for transportation.
Service
We provide professional pre-sales and after-sales support, including MSDS and technical guidance.
FAQ
Q: Are you a trading company or a manufacturer?
A: We are a professional manufacturer based in Handan City, with our own production factory, specializing in phosphorous acid for years.
Q: How is your quality guarantee?
A: We have ISO certification and strict quality control. Our product quality is stable and trusted by customers worldwide.
Q: What is the lead time?
A: Generally, shipment is within 15-20 days after order confirmation.
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