CAS NO.:54253-62-2 SPECIFICAITONS: Appearance Blue transparent liquid Cu 2+ ≥110g/L SO42- ≤30ppm Cl- ≤10ppm Fe ≤10ppm Free MSA ≤3% Packing Polyethylene plastic drum 30 kg/drum, 250kg/drum, or customized. Used for electric plating and other electronic industry.