Chemical Name: 1-Hydroxyethylidene-1,1-Diphosphonic Acid
Abbreviation: HEDP Powder
Molecular Formula: C2H8O7P2
Molecular Weight: 206
CAS Number: 2809-21-4
Application Notes: Noted for its excellent CaCO3 scale inhibition and chlorine stability.
Recommended Uses: Cooling water treatment, boiler treatment, I & I cleaners, swimming pool stain prevention, metal ion control.
Typical Properties:
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Appearance
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White crystalline powder
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Active Acid as HEDP (%)
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90.0 min
|
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Phosphorous acid as PO33- (%)
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0.5 max
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Phosphorous acid as PO43- (%)
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0.3 max
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Chloride (as Cl, ppm)
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80.0 max
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Iron content (Fe ppm)
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5.0 max
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PH(1% solution)@20°C
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2.0max
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Active Acid as HEDP.H2O (%)
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98.0 min
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