Details
Product Name: Tetrasodium etidronate
MF：C2H4Na4O7P2
MW：293.96
CAS：3794-83-0
EINECS:223-267-7
Appearance:white crystalline powder
Specification
| Item | Specification |
| Appearance | White powder |
| Active Content (as HEDP)% | 56.0MIN |
| Active Content (as HEDP 4na)% | 80MIN |
| Total phosphoric acid (as PO43-)% | 52MIN |
| PH(1% water solution) | 11~12 |
| Iron ppm | 20MAX |
| Dry Weigh loss (Moisture)% | 15MAX |
Application
Can be complexed with a variety of metal ions.
Used as scale inhibitor in cooling water and boiler water treatment. Good heat resistance. It still has a good effect at 200℃.
Can also be used as corrosion inhibitor, cyanide-free plating additive.
