Phosphorous Acid is a Inorganic Acids product. Key specs — Origin: China (Mainland).
Product Description
phosphonic acid CAS No.: 13598-36-2 Molecular Weight: 81.996 Molecular Formula: H3PO3 Density: 1.6510 M.P.: 73.6°C B.P.: 200°C (decomposing at 180°C) Application Phosphorous acid is used in synthesis of phosphite salts, plastic stabilizers, pesticides, water-treatment chemicals, phosphite fertilizers for fruits like citrus and orange, vegetables, economic crops etc. , cosmetics additives.
Specification* Parameters Specification Grade I Grade II Grade III 70% Solution Phosphorous acid Purity 99.0% min. 98.5% 98.5% min. 70% min. Chloride (Cl-) 5ppm max. 20ppm max. 0.01% max. 5ppm max. Iron (Fe) 5ppm max. 30ppm max. 50 ppm max. 5ppm max. Sulfate (SO42-) 5ppm max. 20ppm max. 60 ppm max. 5ppm max. Phosphate (PO43-) 0.1% max. 0.2% max. 0.3% max.
0.1% max. Test of 70% water solution colorless colorless - - Odor odorless odorless characteristic odorless Appearance white crystals white crystals white crystals clear colorless liquid
