Product Main

Specifications

Disodium of 1-Hydroxy Ethylidene-1, 1-Diphosphonic Acid (HEDP.Na2)
【CAS】：7417-83-7  
Abbreviation: HEDP (Na2)  Molecular weight：250
 
Specification:
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Appearance
Colorless to light yellow transparent liquid
White powder
Active component（HEDP）％
16.5 min
74.0-79.0
Active component（HEDP·Na2）％
20.0 min
89.8 min
density（20℃）g/cm3
1.12-1.22
--
Fe ppm
--
35 max
Phosphorous acid（PO33-计）%
--
3 max
Dry weight loss，%
--
3-6
PH (1% water solution)
4.0-6.0
4.0-6.0
Applications:

HEDP.Na2 is mainly used as a Scale & Corrosion Inhibitor, chelating, deflocculating agent in circulating cool water system, medium and low pressure boiler, oil field water pipelines ,electric power, chemical industry, metallurgy, fertilizer, etc..Textile Dying, Detergents etc.

Packing and Storage:
 
For liquid: Normally In 250kg net Plastic Drum, IBC drum can also be used as required. Storage for ten months in room shady and dry place.
For solid: inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients. Storage for one year in room shady and dry place.