1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP) is an organophosphoric acid corrosion inhibitor. It is crystal powder, suitable for usage in winter and freezing districts.

1-Hydroxy Ethylidene-1,1-Diphosphonic(HEDP) CAS NO:2809-21-4

Product categories of 1-Hydroxy Ethylidene-1,1-Diphosphonic(HEDP) CAS NO:2809-21-4, we are specialized manufacturers from China, 1-Hydroxy Ethylidene-1, 1-Diphosphonic suppliers/factory, wholesale high-quality products of HEDP R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!

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1-Hydroxy Ethylidene-1,1-Diphosphonic(HEDP)

Description: 1-Hydroxy Ethylidene-1,1-Diphosphonic(HEDP)

Physical and chemical property: crystal powder, suitable for usage in winter and freezing districts.

Molecular Formula: C2H8O7P2

CAS No:2809-21-4

UN No:3265

CLASS: 8.1

Specifications:

Items	Index
Appearance	Clear, Colorless to pale yellow aqueous solution	White crystal powder
Active content (HEDP)%	60.0 min	90.0 min
Active content (HEDP·H2O)%	58-62	98.0 min
Phosphorous acid (as PO33-)%	1.0 max	0.8 max
Phosphoric acid (as PO43- )%	0.6 max	0.5 max
Chloride (as Cl-)%	0.01 max	0.01 max
pH (1% water solution)	2.0 max	2.0 max
Density (20℃)g/cm3	1.40 min	-
Fe, mg/L	10.0 max	5.0 max
Colour APHA (Hazen)	10.0 max	-
Ca sequestration (mg CaCO3/g)	500.0 min

Packed in 250kg plastic drum,20fcl=20mts.

Application: HEDP is used as scale inhibitor, deflocculant, sequestrant, water stabilizer in circulating cool water system, oil field and low-pressure boilers in fields such as electric power, chemical industry, metallurgy, fertilizer, etc under condition of high temperature and high pH value. HEDP is also 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.

1-Hydroxy Ethylidene-1,1-Diphosphonic(HEDP) CAS NO:2809-21-4

China 1-Hydroxy Ethylidene-1,1-Diphosphonic(HEDP) CAS NO:2809-21-4 Suppliers

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