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1-Hydroxy Ethylidene-1,1-Diphosphonic Acid Disodium Salt (Powder)

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Product Description

PRODUCT

1-Hydroxy Ethylidene-1,1-Diphosphonic Acid Disodium Salt (Powder)

CAS #

7417-83-7

SYNONYM

HEDP•Na2

FORMULA

C2H6O7P2Na2

PRODUCT TYPE

Organic

Typical Product Specifications

APPEARANCE

White Powder

ACTIVE COMPONENT (HEDP)

74.0 - 79.0%

ACTIVE COMPONENT (HEDP NA2)

>= 89.9%

FE

<= 35 ppm

PHOSPHORIC ACID

<= 3%

LOSS ON DRYING

3 - 6%

PH (1% SOLUTION)

4.0 - 6.0

NOTES

HEDP Na2 is a very stable organophosphonic acid that is used in corrosion inhibition, metal chelation, peroxide stabilization, and in dye-fixing agents.

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