Reaxis® C154 - Stannous Chloride, Dihydrate
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REAXIS® C154 (Stannous Chloride Dihydrate) also known as SnCl2, is a versatile high metal content stannous inorganic tin that is used in several reactions. Stannous Chloride Dihydrate is produced to the highest standards, meeting A.C.S. specifications. REAXIS® C154 is a solid version of stannous chloride dihydrate, though liquid versions are available. The stability/free-flowability of this tin chloride can be enhanced via blends with various products including silica, talc, and numerous solid resins. Stannous chloride dihydrate is a tin catalyst that can also be supplied as a liquid in various concentrations, including REAXIS® S50. REAXIS® S45, and REAXIS® S72.
For more information, please refer to our technical bulletins on Bio-Based Catalysts, the Chemistry and Toxicity of Inorganic Tins, and Stannous Chloride Dihydrate and Silica Blends.
Technical Information
- Product Category Inorganic Tin
- Chemical Name Stannous Chloride, Dihydrate
- CAS Number 10025-69-1
Typical Specifications
| Parameter | Range |
|---|---|
| Assay as SnCl2·2H2O (%) | 99.2 - 103.0 |
| Stannous Tin (%) | 52.2 Min. |
| Fe (ppm) | 30 Max. |
| Pb (ppm) | 100 Max. |
| Na Content (ppm) | 100 Max. |
| K Content (ppm) | 50 Max. |
| Ca Content (ppm) | 50 Max. |
| Sulfates (ppm) | Passes A.C.S. Test |
| Solubility in HCl | Passes A.C.S. Test |
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
Applications
Common end-use chemistries and applications for REAXIS® C154 include esterifications, thermoplastic elastomers, personal care, surface finishing, oil well simulation (acidizing additive), corrosion inhibition, and glass (silver mirroring and color modifier). As a catalyst, Stannous Chloride Dihydrate plays a crucial role in the esterification process, which is fundamental to the production of various esters. As a reducing agent, Stannous Chloride Dihydrate finds diverse applications and benefits in various industries. As a plating agent in electroplating applications, it serves as a primary reducing agent to deposit metal layers, such as silver or tin, onto substrates. By donating electrons, REAXIS® C154, stannous chloride dihydrate, reduces the metal ions to their corresponding metallic forms, which adhere to the substrate’s surface. This process results in a uniform, thin coating that improves the final product’s appearance, durability, and corrosion resistance.
Reactivity
As is typical of most organotin and inorganic tin catalysts, the specific ligand in addition to the tin metal concentration contributes a major influence on overall reactivity. Due to its high tin concentration and small ligand, REAXIS® C154 is a very active esterification catalyst with comparable reactivity to common organotin catalysts such as dibutyl and monobutyl tin oxides. Given its inorganic nature, REAXIS® C154 is stable at high reaction temperatures that are typical of many esterification reactions. Due to the presence of chlorides, color formation may be an issue with some ester formulations. If the presence of residual moisture in REAXIS® C154 is deemed to be an issue with the catalysis of esters, REAXIS® C162 would be an ideal, moisture-free alternative.
Package & Storage
- 55 lb (25 kg) plastic pail
REAXIS® C154 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. Additionally, REAXIS® C154 has a low melting point (38C)and is hygroscopic.
Safety and Handling
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Hazard Classification (US SDS)
| Section | Hazard Class | Category | Hazard Statement |
|---|---|---|---|
| A.10 | acute toxicity (oral) | 4 | H302 |
| A.1l | acute toxicity (inhal.) | 4 | H332 |
| A.2 | skin corrosion/irritation | 1 | H314 |
| A.3 | serious eye damage/eye irritation | 1 | H318 |
| A.4S | skin sensitization | 1 | H317 |
| A.8R | specific target organ toxicity - single exposure (respiratory tract irritation) | 3 | H335 |
| A.9 | specific target organ toxicity - repeated exposure | 2 | H373 |
| B.16 | substance or mixture corrosive to metals | 1 | H290 |
Hazard Pictograms (US SDS)
Transportation Information (US SDS)
| DOT | IMDG | ICAO | Environment Hazard | |
|---|---|---|---|---|
| UN Number | UN 3260 | UN 3260 | UN 3260 | non-environmentally hazardous acc. to the dangerous goods regulations |
| UN Proper Shipping Name | Corrosive solid, acidic, inorganic, n.o.s | CORROSIVE SOLID, ACIDIC, INORGANIC, N.O.S. | Corrosive solid, acidic, inorganic, n.o.s | |
| Transport Class | 8 | 8 | 8 | |
| Packing Group | ll | ll | ll | |
Primary Composition Substance(s)
- Stannous Chloride Dihydrate
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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.
