Properties and Usage:
HEDP.Na4 is the sodium salt of HEDP, HEDP.Na4 is a good scale inhibitor for calcium carbonate, it can be used in low pressure boiler water system, circulating water system, industrial and municipal cleaning water system and swimming pool.
HEDP.Na4 is widely used in circulating cool water system, medium and low pressure boiler, oil field water pipelines as scale and corrosion inhibitor in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.

Specification:

Item Index
Appearance Colorless to yellowish transparent liquid
Active content (HEDP.Na4)% 29.0-31.0
Active content (HEDP)% 20.3-21.7
Total phosphoric acid (as PO43-)% 18.4-20.4
Density (20℃)g/cm3 1.26-1.36
pH 10.0-12.0

Package and Storage:
200L plastic drum, IBC (1000L), customers’ requirement.

Safety Protection:
Weak acidity, avoid contact with eye and skin, once contacted, flush with water. 

Synonyms:
Tetrasodium (1-hydroxyethylidene)bisphosphonate)

Tetra sodium salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP.Na4)
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