Water Treatment Chemicals
HEDP
An organophosphonic acid corrosion and scale inhibitor used in cooling water systems, low-pressure boilers, and oilfield applications. It chelates metal ions such as iron and calcium, providing both scale prevention and corrosion protection on metal surfaces.
An organophosphonic acid corrosion and scale inhibitor used in cooling water systems, low-pressure boilers, and oilfield applications. It chelates metal ions such as iron and calcium, providing both scale prevention and corrosion protection on metal surfaces.
- CAS
- 2809-21-4
- EC / EINECS
- 220-552-8
- Formula
- C2H8O7P2
- HS Code
- 293190
- Grades
- 60% liquid, 90% solid, sodium salt (HEDP·Na), technical 60%, solid acid
- Synonyms
- HEDP, 1-hydroxyethylidene-1,1-diphosphonic acid, etidronic acid, hydroxyethylidene diphosphonic acid, HEDPA, 2809-21-4, hydroxyethanediphosphonic acid, CAS 2809-21-4
Compliance
- · REACH-aligned supply
- · CLP-labelled