Qingdao Wanshengbo Chemicals Co., Ltd.

China Manufacturer with main products: Chemicals, Chemical Raw Materials, industrial chemicals


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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe


Product: HEDP
Code: KW-100
CAS No.: 2809-21-4
Chemical Name: Hydroxyethylidene-1, 1-Diphosphonic Acid
Alias: HEDPA; 1-Hydroxyethylidene-bisphonic acid; Oxyethlidenediphosphonic

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.

Package & Storage: 25kg or250kg in a plastic drum and stored in cool and dry place. Storage life is 2 years.
colorless transparent liquid
Active ingredient:
58.0 to 62.0%
Phosphorous acid (as PO 3 )
2.5% max.
Phosphoric acid (as PO 4 )
35 mg/L
0.5%max. 100ppm max
Density (20C) g/cm 3
PH (1% water solution)
2.0 max.
calcium sequestation mgcaco3/g

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