... lasting brightener plating intermediate Brightener and leveling BOZ cas no. 110-65-6 1,4-Butynediol nickel brightener intermediateBOZ nickel lasting ... , BY-1, PAE-9, Polyether-8, Water-soluble M, H1, P-6000, PNP, UPS, DPS, ZPS, MPS, ... Fine Chemicals1,3-PS ... Chromic Sulfate, Chromiun Nitrate.... BOZ 1,4-Butynediol cas no. 110-65-6