1-Hydroxy Ethylidene-1,1-Diphosphonic Acid Potassium Salt
Quantity
Unit
CAS #
67953-76-8
PRODUCT
SYNONYM
HEDP•Kx; Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-, potassium salt (1:?)
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FORMULA
C2H8-xO7P2Kx
PRODUCT TYPE
Organic
APPEARANCE
Colorless to yellowish transparent liquid
ACTIVE COMPONENT (HEDP)
26.0 - 30.0%
PHOSPHORIC ACID
24.7 - 26.7%
DENSITY @ 20C
1.30 - 1.40 g/cm^3
PH
6.0 - 8.0 (1% water solution)
IRON ION
<= 20 mg/L (Fe2+)
NOTES
HEDP•Kx has better dissolution ability than that of any sodium salt in neutral conditions. It is a used in scale inhibition for calcium carbonate, metal corrosion inhibition, and in antifouling agents for swimming pools.
CLASS
Corrosion Inhibitors, Water Treatment Chemicals, Scale Inhibitors
FUNCTIONS
Anti-Corrosive, Scale Inhibitor
INDUSTRY
Water Treatment, Anti-Corrosives, Organics
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