Chemical Name: 1-Hydroxyethylidene-1, 1-diphosphonic Acid
Abbreviation: HEDP(90min) CAS Number: 2809-21-4
Molecular Formula: C2H8O7P2
Molecular Weight: 206
Specification:
|
Appearance |
White crystalline powder |
|
Active Acid (%) |
90.0 min |
|
Phosphorous acid as PO33- (%) |
2.5 max |
|
Phosphorous acid as PO43- (%) |
0.7 max |
|
Chloride (as Cl-, %) |
1.0 max |
|
Iron, as Fe (ppm) |
35.0 max |
|
PH(1% solution) |
2.0 max |