Tetra Sodium (1-Hydroxy Ethylidene) Diphosphonate(HEDP"Na4, Solid)

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Tetra Sodium (1-Hydroxy Ethylidene) Diphosphonate
(HEDP"Na4, Solid)
[CAS No.] 3794-83-0 Dequest 2016DG
Molecular Formula: C2H4O7P2Na4 Molecular weight: 294
Structural Formula:
Properties:
This product is white powder solid, soluble in water, none absorption of moisture, suitable for frigid situation. It is an organophosphoric acid corrosion inhibitor, can chelate with Fe, Cu, and Zn ions to form stable chelating compounds, can dissolve the oxidized materials on these metals¡¯ surfaces, shows excellent antiscale corrosion inhibition effects under temperature 250¡æ.
Specification:
items index
Appearance White crystal powder
Active component£¨HEDP£©£¥ ¡� 56.0 50.0
Active component£¨HEDP"Na4£© £¥ ¡� 79.9 71.4
Phosphoric acid £¨asPO43 £©% ¡� 54.24 46.0
Fe ion ppm (Fe) ¡Ü 35.0 35.0
Dry weight loss % ¡Ü 15 15
pH value£¨1£¥ water solution£© ¡Ü 11.0-12.0 11.0-12.0
Usage:
This product is widely used in circulating cool water system, oil field water pipelines and low-pressure boilers for antiscale corrosion inhibition in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.. In light weaven industry, this product is used as detergent for metal and nonmetal. In dyeing industry, this product is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, this product is used as chelating agent.
Package and Storage:
25kg inner liner polyethylene (PE) bag, outer plastic weaven bag, or confirmed by clients. Storage for one year in room shady and dry place.
Safety Protection: Acidity, Avoid contact with eye and skin, once contacted, flush with water.

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