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1-Hydroxyethylidene-1,1-Diphosphonic Acid (HEDP) 1-Hydroxyethylidene-1,1-diphosphonic acid CAS:2809-21-4
Name: 1-Hydroxyethylidene-1,1-Diphosphonic Acid (HEDP)
CAS:2809-21-4
MF: C2H8O7P2
Item | Specification |
Appearance | White crystalline powder |
Active Matter (as HEDP.H2O), % | 98.0 min |
Active acid content, % | 90.0 min |
H3PO3 (As PO33- ), % | 0.8 max |
H3PO4 (As PO43- ), % | 0.5 max |
Chloride (as Cl-),ppm | 100 max |
PH (As 1% solution,20℃ ) | 2.0 max |
Iron (As Fe), ppm | 20ppm max |
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