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HEDP
CAS 2809-21-4
Synonym Hydroxyethylidene-1, 1-Diphosphonic Acid
Application A scale and synergistic corrosion inhibitor for iron rust and
mineral scale from pipes of cooling circulation water units and boilers;
Metal chelate agent for color fixing and bleaching in textile;
Complexing agent for electron plate and scale cleaning agent for metals.
Grade
Appearance
Content of Active Ingredient, %
Content of Phosphorous acid PO3, % max.
Content of Phosphoric acid PO4, % max.
Content of Fe, ppm
Content of Chloride, ppm max
Density (20°C) g/cm3
pH (1% water solution), max |
Liquid
colorless transparent
58.0 - 62.0 2.5 0.7 35 100 1.39-1.49 2 |
Solid
white crystalline poweder
98.0 2.5 0.7 35 100 - 2 |
Packing 250 kg plastic drum, IBC for liquid, 25 kg plastic bags for solid
Country Of Origin China, India
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