Reaxis®  S45

REAXIS® S45, Stannous Chloride, is a very high purity stable aqueous tin salt solution that is manufactured by a proprietary process to insure consistently low impurity levels. It is widely used as a reducing agent, and as a perfered tin source for tin/nickel in electrolytic baths for plating. REAXIS® S45 is also used in Sn/Pd activator formulations for POP.

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Technical Information

  • Chemical Name Stannous Chloride Solution

Typical Specifications

Parameter Range
Assay as SnCl2·2H2O (%) 44.5 - 45.5
Fe (ppm) 10.0 Max
Pb (ppm) 20.0 Max

Package & Storage

  • 55 gal plastic drum, 720 lbs net

REAXIS® S45 should be stored in the original packaging. The container should be closed tightly after each use to maximize shelf life.

Safety and Handling

Before use of Reaxis products please refer to the relevant Safety Data Sheet (SDS) for safety and toxicological data as well as for the information on proper transportation, storage, and use. SDSs are available by request via our web site, contacting your local representative, or emailing direct to

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This information is provided to the best of our knowledge but without obligation. Reaxis is not liable for any incorrect or missing information. This data sheet becomes invalid upon publication of a new version. Please contact us for the latest version.

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