MPS (3-mercapto-1-propane sulfonic acid, sodium salt)

CAS No.:17636-10-1
Appearance: White powder
Assay:98% min.,
Application: As brightener in acidic Copper baths to improve the deposition of copper coatings for decorative and functional purposes. The use of MPS together with polyethers and non-ionic surfactants results in brilliant and ductile coatings. An additional combination with polymeric amines, dyestuffs and other thio compounds is possible as well.