UPS (C4H10N2O3S2)
3-S-isothiuronium propyl sulfonate

CAS No: 21668-81-5
Appearance: White powder
Assay:≥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.