Product Details  plating chemical HBOPS-Na, additive for nickel plating  plating chemical HBOPS-Na, additive for nickel plating   Chemical name Reaction products of 2-Butyne-1,4-diol with propane sultone and caustic soda Empirical formula C7H11NaO5S Molecular weight 230.2 CAS No. 90268-78-3 Characteristic: Appearance Red brown liquid Assay% ≥50.0 PH 10-13 Density 1.12-1.18 Solubility(20) Well soluble in water  Concentration in the bath 20-60mg/L Application Brightener and leveling agent at LCD in nickel bath intermediates for nickel plating: PPS PME PS POPS PA PAP PN TC-EHS POPDH PPS-OH DEP TC-DEP50 PABS ATP ATPN HBOPS-Na SSO3 BEO BMP BBI ALS25% SVS HD-M HD-N TCA