1-Hydroxy Ethylidene-1,1-Diphosphoric Acid (HEDP)702 Manufacturer, Supplier, Exporter

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+917313726112

CAS Number	2809-21-4
Appearance	Colorless or light yellow transparent liquid
Assay	58.0-62.0
pH	2 max
Iron content	10 max
Colour (APHA)	40 max
Colour (HAZEN)	40 max
Density	1.4 20Cg/cm3
Chloride	0.01 max
Packing	250 kgs
Use	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. The dosage of 1-10mg/L is preferred as scale inhibitor, 10-50mg/L as corrosion inhibitor, and 1000-2000mg/L as detergent. Usually, HEDP is used together with polycarboxylic acid.
Storage	Storage for ten months in room shady and dry place.
Phosphoric acid (as PO43)%	2.0 max
Organic phosphonic acid (as PO43) %	0.8 max

1-Hydroxy Ethylidene-1,1-Diphosphoric Acid (HEDP)702