N,N-dimethyl-dithiocarbamyl propyl sulfonic acid, sodium salt (DPS)

Chemical name: N,N-dimethyl-dithiocarbamyl propyl sulfonic acid, sodium salt (DPS)
Molecular formula: C₆H₁₂NNaO₃S₃
Molecular weight: 265
CAS NO.: 18880-36-9
Appearance: Small white, glossy plates
Purity: ≥98%
Main Application: DPS is used as brightening agent in acid copper electroplating baths and has, in combination with polyethers and wetting agents, the effect of depositing a bright and ductile coating. A combination with other sulfur-containing brightening additives is also
possible. For the chemical deposition of precious metals, DPS is used as a stabilizer to prevent wild deposition.