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1-Hydroxy Ethylidene-1,1-Diphosphonic Acid as scale and corrosion inhibition HEDP buy in Shanghai
Buy 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid as scale and corrosion inhibition HEDP
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid as scale and corrosion inhibition HEDP

1-Hydroxy Ethylidene-1,1-Diphosphonic Acid as scale and corrosion inhibition HEDP

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Description

1-Hydroxy Ethylidene-1,1-Diphosphonic Acid as scale and corrosion inhibition HEDP

CAS No. 2809-21-4

Molecular Formula: C2H8O7P2Molecular weight: 206.02

HS NO:2931900090

UN NO. 3265

Properties:

HEDP is crystal powder, suitable for usage in winter and freezing districts. Because of its high purity, it can be used as

cleaning agent in electronic fields and as additives in daily chemicals.

Specification:

Items Index
Appearance White crystal powder
Active content (HEDP)% 90.0min
Phosphorous acid (as PO33-)% 0.8 max
Phosphoric acid (asPO43- )% 0.5 max
Chloride (as Cl-) ppm 100.0max
pH (1% solution) 2.0 max
Femg/L 5.0 max

Usage:

HEDP is used as scale and corrosion inhibition in circulating cool water system, oil field and low-pressure boilers in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.. In light woven industry, HEDP

is used as detergent for metal and nonmetal. In dyeing industry, HEDP is used as peroxide stabilizer and dye-fixing agent;

In non-cyanide electroplating, HEDP is used as chelating agent. Usually, HEDP is used together with polycarboxylic acid.

Package:

25kg/bag, and can make adjust according to customers' requirement.

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1-Hydroxy Ethylidene-1,1-Diphosphonic Acid as scale and corrosion inhibition HEDP
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid as scale and corrosion inhibition HEDP
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