CAS No. 2809-21-4

Product: HEDP---1-Hydroxy Ethylidene-1,1-Diphosphonic Acid

Synonyms: Dequest 2010, Etidronic Acid,Hydroxyethylidenedi(phosphonic acid)

Technical data:

Appearance:Colorless or light yellow transparent liquid

Active Content (HEDP)%: 58.0-62.0

Phosphorous Acid (as PO33-)%:2.0 max

Phosphoric Acid  (asPO43- )%:0.8 max

Chloride (as Cl-)%:0.01 max

pH (1% solution):2 max

Density  (20℃) g/cm3:1.40

Fe Ion ppm:10 max

Colour APHA (Hazen):40 max