| Chemical name | Sodium 3-mercaptopropanesulphonate |
| Trade name | MPS |
| CAS No | 17636-10-1 |
| EINECS No | 241-620-3 |
| Molecular formula | C3H7NaO3S2 |
| Molecular weight | 178.2 |
| Melting point | ~220 °C (dec.)(lit.) |
| Assay | 95% |
| Appearance | White powder |
Application:
1,Used to prepare brightener for copper plating, especially for the plating of printed circuit boards.
2,As a brightener for acid copper plating, the decorative and functional properties of the coating can be improved.
3, It can improve the brightness and ductility of the coating when it is used with polyether and non-ionic surfactant. If polyamine, dye and other sulfur compounds are added, the effect will be better.
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