Molekula
Stannous octoate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Stannous octoate is a tin-based catalyst used in polyurethane and silicone curing reactions. It appears as a viscous liquid and is commonly employed in coatings, adhesives, and sealants. CAS: 301-10-0, Molecular Formula: [CH3(CH2)3CH(C2H5)CO2]2Sn, Molecular Weight: 405.12 g/mol. Store at ambient temperature. Signal word: Danger.
Molekula supplies Stannous octoate at ⩾ 90.0% purity in 100 g and 1 kg packs, from £33.12 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 5 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — £27.60 per pack ex VAT · £33.12 inc. VAT
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1 kg — £173.20 per pack ex VAT · £207.84 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Clear colourless to yellow liquid |
| Refractive Index | 1.490 - 1.500 (@ 20°C) |
| Specific Gravity | 1.23 - 1.27 (@ 20°C) |
| Purity | ⩾ 90.0% |
| Tin (Sn) | ⩾ 28.0% |
| Identification (RAMAN) | Conforms to Reference |
| Stannous content | ⩾ 27.5% |
| Dynamic viscosity (25°C) | ≤ 360 mPa.s |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 137 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Vapour Pressure | 0.00000001 mmHg |
Source: PubChem CID 9318 (Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 90033675 |
| CAS Number | 301-10-0 |
| IUPAC Name | bis(2-ethylhexanoate);tin(2+) |
| EC Number | 206-108-6 |
| Molecular Formula | [CH3(CH2)3CH(C2H5)CO2]2Sn |
| Molecular Weight | 405.12 |
| Exact Mass | 406.1166 |
| SMILES | CCCCC(CC)C(=O)[O-].CCCCC(CC)C(=O)[O-].[Sn+2] |
| InChIKey | KSBAEPSJVUENNK-UHFFFAOYSA-L |
| InChI | InChI=1S/2C8H16O2.Sn/c2*1-3-5-6-7(4-2)8(9)10;/h2*7H,3-6H2,1-2H3,(H,9,10);/q;;+2/p-2 |
| PubChem CID | 9318 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29159050 |
| Tariff Code | 2915907098 |
Safety & GHS
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Corrosive
GHS05
-
Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H317 May cause an allergic skin reaction
- H318 Causes serious eye damage
- H360 May damage fertility or the unborn child
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 2-Ethylhexanoic acid tin(II) salt
- Nuocure 28
- Sn(Oct)2
- Stannous 2-ethylhexanoate
- Tin bis(2-ethylhexanoate)
- Tin dioctoate
- Tin ethylhexanoate
- Tin octoate
- Tin(II) 2-ethylhexanoate
- Tin(II) bis(2-ethylhexanoate)
Frequently asked questions
What is stannous octoate used for?
Stannous octoate is primarily used as a catalyst in polyurethane foam and coating systems, accelerating the curing process.
What is the chemical formula and molecular weight of stannous octoate?
The formula is [CH3(CH2)3CH(C2H5)CO2]2Sn with a molecular weight of 405.12 g/mol.
How should stannous octoate be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade of stannous octoate does Molekula supply?
Molekula supplies stannous octoate with a purity of at least 90.0%, a tin (Sn) content of at least 28.0% and a stannous content of at least 27.5%.
Can Molekula supply stannous octoate in bulk?
Yes, Molekula can supply stannous octoate in bulk quantities upon request.
What documentation comes with a stannous octoate order?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.
Where can I buy Stannous octoate?
Directly from Molekula, which lists Stannous octoate in 100 g and 1 kg packs from £33.12 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.