CAS No.2809-21-4Molecular Formula (Molecular Formula)C2H8O7P2Molecular Weight206.03HS Code2931399090Specification (Indicators)Test ItemsLIQUIDSolidActive Ingredient (HEDP), %
 Active Content (HEDP), %≥60.0≥90.0Active Component (HEDP·H₂O) / %
 Active Content (HEDP·H2O), %-≥98.0Hypophosphorous Acid (PO33-), %
 Phosphorous Acid (as PO33-), %≤2.0≤0.8Phosphoric Acid (PO43- ), %
 Phosphoric Acid (as PO43- ), %≤0.8≤0.5Chloride (Cl-), %
 Chloride (as Cl-), %≤0.02≤0.01PH Value (1% Aqueous Solution)
 PH (1% Water Solution)≤2.0≤2.0Density (20℃)/g·cm-3
 Density (20℃)g/cm3≥1.40-Iron / mg·L-1
 Fe, mg/L≤20.0≤10.0Hue (Color Degree)
 Color APHA (Hazen)≤40.0-Calcium Chelation Value (mg CaCO3/g)
 Ca Sequestration (mg CaCO3/g)≥500.0-Applications (Application Fields)Scale Inhibitor and Corrosion Inhibitor for Circulating Cooling Water Systems
Peroxide Stabilizer and Color Fixative for Printing and Dyeing Industry
Superior acid, alkali, and chlorine oxide resistance compared to other organic phosphonic acids
Excellent scale and corrosion inhibitor in circulating cool water system for industries like Oil Field, Electric-power, Metallurgy and Fertilizers, etc.
Stabilizer and color fixing agent for Peroxides in Dyeing industry.
 Its acid, alkali and chlorine oxidation tolerance are better than that of other Organophosphorous Acids.Packing (Packaging)Liquid: 250kg or 1250kg Plastic Bucket, Per Customer Request
Solid: 25kg Plastic Woven Bag, Per Customer Requirements
20ft Small Container: Liquid: Pallet 20 Tons; Solid: Pallet 22 Tons
Liquid: 250kg plastic drum, 1250kg plastic drum, as customers' requirements.
Solid: 25kg/bag, as customers' requirements.
 20'GP: Liquid: 20MTS on pallets; Solid: 22MTS on palletsContact NameSammi ZhouContact Phone(+86)-020-81049266Emaildep7@gzchem.comWHATSPP/WECHAT0086-15013037853