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1-Hydroxy Ethylidene-1,1-Diphosphonic Acid Potassium Salt

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Product Description

PRODUCT

1-Hydroxy Ethylidene-1,1-Diphosphonic Acid Potassium Salt

CAS #

67953-76-8

SYNONYM

HEDP•Kx; Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-, potassium salt (1:?)

FORMULA

C2H8-xO7P2Kx

PRODUCT TYPE

Organic

Typical Product Specifications

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.

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