HPAA---2-Hydroxyphosphonocarboxylic Acid

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HPAA---2-Hydroxyphosphonocarboxylic Acid
Posting date : Mar 01, 2012
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HPAA---2-Hydroxyphosphonocarboxylic Acid CAS No. 23783-26-8 Synonyms: Hydroxyphosphono-acetic Acid Molecular Formula: C2H5O6P Molecular weight: 156 Properties: HPAA is chemically stable, hard to be hydrolyzed, hard to be destroyed by acid or alkali, safety in use, no toxicity, no pollution. HPAA can improve zinc solubility. Its corrosion inhibition ability is 5-8 times better than that of HEDP and EDTMP. When built with low molecular polymers, its corrosion inhibition effect is even better. Specification: Items Index Appearance Dark umber liquid Solid content % 50.0 min Phosphorous acid(as PO33-)% 4.0 max Density (20℃) g/cm3 1.30 min ph (1% solution) 1.0-3.0

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