... -7 Colorless to yellow liquid PA (Propargyl alcohol) cas no. 107 19-7PA (Propargyl alcohol) nickel electroplating nickel plating intermediateBrightener and long ... , CB-5,CB-6...Acid Copper PlatingSPS, PZ-1,PZ-2, PZ-3, PAC, BY-1, PAE-9, Polyether-8, Water ... , Q75, Propargyl Chloride, Basic Chromic Sulfate, Chromiun Nitrate.... PA (Propargyl alcohol) cas no. 107 19-7