PPS-OH (C8H11NO4S) Pyridinium hydroxy propyl sulfobetaine CAS No. 3918-73-8 1. Assay: 40% , 75% Appearance: Clear colorless to yellowish liquid Density g/cm3 (20): 1.20~1.27 PH: 3.0~5.0 Refractive Index(20): 1.4200~1.4500 2. Assay: â?¥78% Appearance: White powder PH: 4.0~7.0 ( 40% aqueous solution) Solubility in water (20): miscible in any ratio. Application: High leveling agent for nickel plating, (special suitable for high and medium region of current density)
