HEDP

 

Product Specification

 

 

 

 

1-Hydroxyethylidene-1,1-Diphosphonic acid (HEDP)

 

 

 

 



Chemical Name: 1-Hydroxyethylidene-1,1-Diphosphonic acid

 

Abbreviation: HEDP

 

CAS No.: 2809-21-4

 

Packaging: 250kgs Net Plastic Drum

 

 

 

Appearance: Clear, Colorless to pale yellow aqueous solution

 

 

Active Content: 58.0 - 62.0%

 

 

Phosphorous acid (as PO33-): 2.0% max

 

 

Phosphoric acid (as PO43-): 0.8% max.

 

 

pH (1% Water Solution): 2.0 max.

 

 

Density (20oC) g/cm3: 1.43 – 1.46

 

 

Iron: 10ppm max.

 

 

Color (APHA): 30 max.

 

 

Ca sequestration mg CaCO3/g: 480 min.

 

 

Chlorides(Cl-): 0.3% max.

 

 

Acetic: 1%max