A Acid copper plating intermediate

UPS
CAS No.: 21668-81-5

Chemical nature
Chemical name: 3-[(Aminoiminomethyl)thio]-1-pr opanesulfonic acid
Molecular formula: C4H10N2O3S2
Molecular weight: 198.2
CAS No.: 21668-81-5

Properties

Physical form White powder
PH 1.0-4.0(5% aqueous solution)
Water Solubility(20℃) 5% clear aqueous solution


Application
UPS is used in acid copper baths and baths for precious metal as top brightener at a concentration of 10-50mg/L. Another usage is as inhibitor in electroless nickel baths in order to prevent uncontrolled
deposition.

Packing 
25 kg/Fiber drum, stored in cool and dry place.

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