| Chemical name | 3-S-isothiuronium propylsulfonate |
| Trade name | UPS |
| CAS No | 21688-81-5 |
| Appearance | White crystal |
| Molecular formula | C4H10N2O3S2 |
| Molecular weight | 198 |
| Level of Addition (mg/L) | 2-4 |
| PH | 2-5 |
| Package | 25KG/drum |
| Assay | 99% |
Application:
It is used for the deposition of bright, ductile coppper 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.
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