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| Wujing HEDP |
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| 1-Hydroxyethylidene-1,1-diphosphonic acid |
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| 2809-21-4 |
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Scale and corrosion control for heat exchangers and boilers.
Sequestrator of non-cyanide electroplating.
Surface treatment for metals.
Scale preventing dispersant for recycling water systems. |
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Appearance: Clear, colorless up to yellowish solution
Active contents (%): 60.0 min.
Phosphorous acid content as PO33- (%): 2.0 max.
Phosphoric acid content as PO43- (%): 0.8 max.
Iron content (ppm): 35 max.
Calcium chelation value as CaCO3, mg/g: 400 min.
pH (1% solution): 2 max.
Density (20'C, g/cm3): 1.45 min. |
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