3-s-isothiuronium propyl sulfonate (UPS)

Chemical name: 3-s-isothiuronium propyl sulfonate(UPS)
Molecular formula: C₄H₁₀N₂O₃S₂
Molecular weight: 198
CAS NO.: 21668-81-5
Appearance: White powder
Purity: ≥95%
Main Application: UPS 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.