Reaxis® C125 - Stannous Neodecanoate
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REAXIS® C125 (Stannous Neodecanoate), also commonly known as Tin bis-(neodecanoate) or Tin Neodecanoate, is an inorganic tin carboxylate with a moderate metal content. Stannous Neodecanoate is an ideal tin chemical candidate when looking for alternatives for organotins, such as REAXIS® C218 (Dibutyl Tin Dilaurate) and REAXIS® C248 (Dibutyl Tin Oxide), and is used as a homogenous tin catalyst in polyurethane, silicone, and esterification applications. Given its inorganic tin nature, REAXIS® C125 can be used in high-temperature specialty chemical applications. This Stannous Neodecanoate catalyst is typically supplied in a neat form with excess free acid typically in higher concentrations when compared to REAXIS® C129 (Stannous Octoate). REAXIS® C125 is stable with various diluents including plasticizers, polyols, esters, and mineral oils. Similar inorganic tin products would be REAXIS® C129 (Stannous Octoate), and REAXIS® C114 (Stannous Oleate).
For more information, please refer to our technical bulletins on Bio-Based Catalysts and the Chemistry and Toxicity of Inorganic Tins.
Technical Information
- Product Category Inorganic Tin
- Chemical Name Stannous Neodecanoate
- CAS Number 49556-16-3
Typical Specifications
| Parameter | Range |
|---|---|
| Stannous Tin (%) | 20.0 - 23.0 |
| Viscosity (cP @ 20°C) | 5000 Max |
| Turbidity (NTU) | 30 Max |
| Color (Gardner Number) | 8 Max |
International Regulatory Listings
- TSCA (US) Yes
- DSL (Canada) Yes
- IECSC (China) Yes
- ENCS (Japan) Yes
- TCSI (Taiwan) Yes
- NZloC (New Zealand) Yes
- PICCS (The Philippines) Yes
Applications
REAXIS® C125 is typically used in various tin catalyst applications. REAXIS® C125 is used as a homogeneous Stannous Neodecanoate catalyst in polyurethane, silicone (condensation reaction) and esterification chemistries in a wide range of applications including lubricants, coatings, adhesives and sealants, elastomers, and foams.
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. Similar to organotins, inorganics tins are more selective to NCO/OH reactions and are thus good gelation/polymerizations catalysts. Stannous Neodecanoate has proven to be a viable replacement for other inorganic tin carboxylates such as REAXIS® C129 in a wide range of polyurethane applications. For catalyzing silicone condensations, REAXIS® C125 exhibits faster reactivity when compared to REAXIS® C218 in select acetoxy- and alkoxy-based formulations. In regards to stability, inorganic tins like REAXIS® C125 show greater sensitivity to oxidation degradation when compared to organotins. This latter effect is due to the presence of the Sn(II) species present in all inorganic tin products. Depending on formulation, REAXIS® C125 can provide increased hydrolytic stability compared to REAXIS® C129 (Stannous Octoate) due to the presence of a larger ligand.
Package & Storage
- 55 lb (25 kg) plastic pail
- 485 lb (220 kg) steel drum
REAXIS® C125 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.
Safety and Handling
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Hazard Classification (US SDS)
| Section | Hazard Class | Category | Hazard Statement |
|---|---|---|---|
| A.2 | skin corrosion/irritation | 1A | H314 |
| A.3 | serious eye damage/eye irritation | 1 | H318 |
| A.4S | skin sensitization | 1B | H317 |
Hazard Pictograms (US SDS)
Transportation Information (US SDS)
| DOT | IMDG | ICAO | Environment Hazard | |
|---|---|---|---|---|
| UN Number | UN 1760 | Un 1760 | UN 1760 | non-environmentally hazardous acc. to the dangerous goods regulations |
| UN Proper Shipping Name | Corrosive liquid, n.o.s. | CORROSIVE LIQUID, N.O.S. | Corrosive liquid, n.o.s. | |
| Transport Class | 8 | 8 | 8 | |
| Packing Group | ll | ll | ll | |
Primary Composition Substance(s)
- Tin(2+) neodecanoate
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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.
