Reaxis®  S72 - Stannous Chloride Solution

Stannous Chloride Dihydrate, also frequently referred to as stannous chloride, tin(II) chloride or SnCl2, is a versatile high metal content stannous inorganic tin that is used in several reactions and applications. REAXIS® S72 is one of our family of liquid grades of the primary solid grade, REAXIS® C154. REAXIS® C154 is produced to the highest standards utilizing high- purity tin metal while minimizing stannic and maximizing stannous content. REAXIS® S72 is a stable liquid grade containing approximately 72% of REAXIS® C154 and 38 % active stannous tin. REAXIS® S72 is the highest stannous tin compound liquid grade offered. Other liquid grades include, REAXIS® S50, REAXIS® S45 and REAXIS® S25. REAXIS® S72 is present on a wide range of international regulatory inventories, making it and its related products ideal choices for international formula development.   

For more information, we invite you to read our technical bulletin on the Chemistry and Toxicity of Inorganic Tins, and our product spotlight on Stannous Chloride Dihydrate and Silica Blends.

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Technical Information

  • Product Category Inorganic Tin

  • Chemical Name Stannous Chloride Solution

  • CAS Number 10025-69-1

Typical Specifications

Parameter Range
Assay as SnCl2·2H2O (%) 71.2 - 72.6
Tin Content (%) 37.45 Min
Fe (ppm) 20.0 Max
Pb (ppm) 20.0 Max

International Regulatory Listings

  • TSCA (US) Yes

  • DSL (Canada) Yes

  • REACH (EU) Yes

  • AICS (Australia) Yes

  • KECI (South Korea) Yes

  • IECSC (China) Yes

  • ENCS (Japan) Yes

  • TCSI (Taiwan) Yes

  • NZloC (New Zealand) Yes

  • PICCS (The Philippines) Yes

  • NDSL (Canada) No

Applications

Common end-use chemistries and applications for REAXIS® S72 include esterifications, personal care, surface finishing, oil well stimulation as an acidizing additive, corrosion inhibition, and glass applications as a silver mirroring and color modifier. As a reducing agent, REAXIS® S72 finds diverse applications and benefits in various applications such as those requiring the reduction of silver used for mirror coatings and the reduction of iron needed in oil & gas well stimulations. This reduction functionality is commonly used in industrial water treatment applications requiring the minimization of toxic metals.   

Reactivity

The main reactivity attribute of REAXIS® S72 would be in its reduction of a wide range of metals. This is primarily due to the presence of a high concentration of stannous tins. This electron transfer makes REAXIS® S72 an ideal additive where toxic metal impurities are present and need to either be reduced or separated out. This type of reactivity is a function of stannous tin content and thus the various liquid grades of stannous chloride would be differentiated here due to the differences in tin content. 

Package & Storage

  • 30 gal plastic drum, 400 lbs

REAXIS® S72 should be stored in the original packaging.  The container should be closed tightly after each use to maximize shelf life. Characteristic of most inorganic tins (Sn(II)), the primary cause of instability would be oxidation, where the signs of oxidation would be the yellowing of the white crystals.  

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 reaxis.com, contacting your local representative, or emailing direct to techservices@reaxis.com.

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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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