HEDP
Item specifics
- Appearance
- Water white to pale yellow liquid
- Molecular Weight
- 206
- Active acid, %
- 58.0 – 62.0
- pH, 1% solution @ 25 ℃
- 2.0 max
- Specific gravity@ 20 ℃ , g/cm3
- 1.42 – 1.47
- Arsenic, ppm
- 2 max
- Iron, as Fe, ppm
- 20 max
- Phosphorous acid, %
- 4.0 max
- Color APHA (Hazen)
- 150 max
- Chlorides (as Cl, ppm)
- 100 max
Review
Description
It is a low arsenic aqueous solution of 1-Hydroxyethylidene -1, 1-diphosphonic acid, (HEDP), and is noted for excellent CaCO3 scale inhibition and chlorine stability. (HEDP) Scale Inhibitor is widely used in industries as a sequestering agent and calcium carbonate scale inhibitor for applications in food processing, cosmetics and personal care products.
