HEDP (1-Hydroxyethylidene-1, 1-Diphosphonic Acid)

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Product:
HEDP

CAS NO.:
2809-21-4
Chemical Name:
Hydroxyethylidene-1, 1-Diphosphonic Acid
Alias:
HEDPA; 1-Hydroxyethylidene-bisphonic acid; Oxyethlidenediphosphonic

Specification:

Appearance
Colorless transparent liquid
Active content acid
58.0-62.0%
Phosphorous acid,as PO3
2.0%max
Phosphorice acid,PO4
0.7%max
Chloride ,as Cl:
100ppm max
Ph value(1% solution):
2.0%max
Iron,as Fe:
10ppm max
Density (20°C) :
1.39-1.49g/cm
3
Application:
A scale and synergistic corrosion inhibitor for iron rust and mineral scale from pipes of cooling circulation water units and boilers; Metal chelate agent for color fixing and bleaching in textile; Complexing agent for electron plate and scale cleaning agent for metals
Package & Storage:
250kg in a plastic drum and stored in cool and dry place.