... BOZ cas no. 110-65-6 1,4-Butynediol nickel brightener intermediateBOZ nickel lasting ... nickel bath(secondary brightener)Chemical name1,4-ButynediolEmpirical formulaC4H6O2Molecular weight86.1Characteristic:AppearanceColorless to ... 1, CB-4, CB-5,CB-6...Acid Copper PlatingSPS, PZ-1,PZ-2, PZ-3, PAC, BY-1, PAE-9, Polyether-8, Water-soluble M ... Sulfate, Chromiun Nitrate.... BOZ 1,4-Butynediol cas no. 110-65-6