Molecular Formula: C7H11O9P Chemical Name: 2-Phosphonobutane-1,2,4-tricarboxylic acid Appearance:Colorless or faint yellow liquid Active acid: ≥50.0% Specific gravity (20℃)g/cm3≥1.27 Phosphorous acid (PO43-): ≤0.3% H3PO3(PO33-): ≤0.4% PH( 1%solution ): ≤2.0 |