Hydroxyethylidene Diphosphonic acid (HEDP) CAS 2809-21-4

Interested? Please feel free to

Chemical Name :Hydroxyethylidene Diphosphonic acid (HEDP)

CAS: 2809-21-4

Molecular Formula: C2H8O7P2

Molecular Weight:206.03

Item Specifications Results
      Appearance Colorless to light yellow transparent liquid Colorless to light yellow transparent liquid
Active ingredient (based on HEDP)%≥ 60 60.12
Phosphorous acid (calculated as PO₃)%≤ 2 1.6
Phosphoric acid (calculated as PO₄³)%≤ 0.8 0.29
Density (20℃)g/cm³≥ 1.4 1.441
PH value (10g/L aqueous solution)≤ 2 1.63
Iron (calculated as Fe) μg/g ≤15 8.6
Calcium chelation value (calculated as CaCO₃) mg/g ≥500 514.3
Chloride (calculated as Cl)μg/g ≤100 39.8
Conclusion The results conforms with enterprise standards

1. Used as water treatment agent.
2. Phosphorylation reagent for protected serine and pyranose.

Get free sample
Fill out this field
Email *
Please enter a valid email address.
Message *
Fill out this field