Pps-oh (c8h11no4s)\npyridinium hydroxy propyl sulfobetaine\n\ncas no. 126-83-6\n\n1. assay: 40% , 45% \nappearance: clear colorless to yellowish liquid\ndensity g/cm3 (20¡æ): 1.20~1.27\nph: 3.0~5.0\nrefractive index(20¡æ): 1.4200~1.4500\n\n2. assay: ¡Ý75%\nappearance: white powder\nph: 4.0~7.0 ( 40% aqueous solution)\nsolubility in water (20¡æ): miscible in any ratio.\napplication: high leveling agent for nickel plating, (special suitable for high and medium region of current density)\n