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

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Product Description

PRODUCT

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

CAS #

2809-21-4

SYNONYM

HEDP; Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-; Phosphonic acid, (1-hydroxyethylidene)bis-

FORMULA

C2H8O7P2

PRODUCT TYPE

Organic

Typical Product Specifications

APPEARANCE

White Crystal Powder

ACTIVE CONTENT

>= 89.0%

PHOSPHOROUS ACID

<= 0.5%

PHOSPHORIC ACID

<= 0.5%

CHLORIDE

<= 0.01%

PH

<= 2 (1% solution)

FE ION

<= 20 ppm

MOLECULAR WEIGHT

206.03

NOTES

HEDP is primarily used in scale and corrosion inhibition in a variety of industries. It can also be used as a chelating agent, in detergents for metals and nonmetals, and in dye-fixing agents.

Use: CHELATING

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