... and leveling BOZ cas no. 110-65-6 1,4-Butynediol nickel brightener intermediateBOZ nickel lasting brightener plating intermediateBrightener ... Plating ChemicalsAlkaline Copper plating (Brightener& leveling agent)CB-1, CB-4, CB-5,CB-6...Acid Copper PlatingSPS, PZ ... ... Fine Chemicals1,3-PS, EDTP, Q75, Propargyl Chloride, Basic Chromic Sulfate, Chromiun Nitrate.... BOZ 1,4-Butynediol cas no. 110-65-6