Tetra sodium of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid(HEDP.Na4) CAS NO.3794-83-0

Company Profile:
Company Name: AURORA CHEMICAL CO., LTD.      
Year Established: 1997
The world’s leading manufacturer and supplier of Xanthan Gum, Oil Driling Chemicals, Drilling Fluid Additives, Rubber Plastic Additives and Cosmetic Ingredients.

Properties:
Dequest 2016 is the sodium salt of Dequest 2010, HEHEDP.Na4 is an good scale inhibitfcalcium carbonate, it can be used in low pressure boiler water system, circulating water system, industrial municipal cleaning water system swimming pool.

The solid HEDP.Na4 is white powder, soluble in water, easily deliquescence, suitable fuse in winter freezing districts. It is a kind ofganophorphonic acid scale corrosion inhibitor, can form stable complex with Fe, Cu Zn ions, it can dissolve the oxides on metal surface, it has good scale corrosion inhibition effect under 250°C.

 HEDP?Na4 is widely used in circulating cool water system, medium low pressure boiler, oil field water pipelines as scale corrosion inhibitin fields such as electric power, chemical industry, metallurgy, fertilizer, etc.. In light woven industry, HEDP.Na4 is used as detergent fmetal nonmetal. In dyeing industry, HEDP.Na4 is used as peroxide stabilizer dye-fixing agent; In non-cyanide electroplating, HEDP?Na4 is used as chelating agent. 

Specification
White powder Colorless to light yellow transparent liquid
Active component(HEDP)%:  56.0 min 20.3-21.7
Active component(HEDP.Na4)%: 79.9 min 29.0-31.0
Total phosphoric acid (as PO43-) %: 52.0-54.0 18.4-20.4
Fe ppm: 35.0 max 20 max
Dry weight loss,%: 15 max --
density(20°C)g/cm3: 1.26-1.36
PH: 11.0-12.0 (1% water solution) 10.0-12.0 (as it)

Package Storage
Fliquid: Normally In 250kg net Plastic Drum, IBC drum can also be used as required.

Fsolid: inner liner polyethylene (PE) bag, outer plastic woven bag, confirmed by clients. Storage ften months in room shady dry place.

Safety Protection
Weak acidity, Avoid contact with eye skin, once contacted, flush with water.