UPS (C4H10N2O3S2) 3-S-isothiuronium propyl sulfonate CAS No: 21668-81-5 Appearance: White powder Assay:â?¥95% Application: It is used for the deposition of bright, ductile copper coatings in combination with polyethylene glycols and non-ionic surfactants. The employment of UPS is also possible in other acid electroplating baths for silver and palladium deposition.
