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HS-314 2-Hydroxyphosphonocarboxylic Acid (HPAA)

Product name HS-314 2-Hydroxyphosphonocarboxylic Acid (HPAA)
CAS No. 23783-26-8
Alias HPA
Molecular Formula C2H5O6P
Molecular Weight 156
Structural Formula
Properties & Use Good chemical stability, safe use, non-toxic; mainly used as cathodic corrosion inhibitor for metals.
Specifications
Conform to HG/T 3926-2007
Item Details
Appearance dark brown liquid
Solid content %   ≥ 50
Organic phosphorus(PO43-)% ≥ 25
Phosphoric acid(PO43-)% ≤ 1.5
Phosphorous acid(PO33-)%     ≤ 3
Density(20℃)g/cm3 1.3
pH-value (10g/L aqueous solution) ≤ 3
Packing & Storage In plastic drum, 30kg/drum. Stored in cool place indoors, shelf life is 12 months.
Safety Protection Avoid contact with skin and eyes; wash with plenty of water.

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