Molekula
Dibutyltin dilaurate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Dibutyltin dilaurate is a tin-based catalyst used in polyurethane and silicone curing reactions. It is also widely used as a heat stabilizer for PVC and other vinyl resins, in rigid polyurethane foam production, and for curing RTV silicone sealants. It is a white to pale yellow solid with a molecular formula of C32H64O4Sn and a molecular weight of 631.56 g/mol. It has a CAS number of 77-58-7 and should be stored at ambient temperatures. The substance is classified as dangerous. Molekula supplies dibutyltin dilaurate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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 liquid |
| Identification | Conforms to reference |
| Specific Gravity | 1.045 - 1.054 (@ 25°C) |
| Specification | Mil-DTL-82727A(OS) |
| Tin (Sn) | 17.7 - 19.5% |
| Colour (Gardner) | ≤ 4 |
| Acid Value (mg KOH/g) | 130 - 180mgKOH/g |
| Trade Name | TinstabBL277 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Soft crystals or yellow liquid |
| Melting Point | 22-24 °C |
| Boiling Point | 205 °C at 1.3 kPa (to convert kPa to mmHg, multiply by 7.5) |
| Density | 1.05 g/cm³ at 20 °C |
| Refractive Index | 1.4683 |
| log P (octanol/water) | 3.12 |
Source: PubChem CID 16682738 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 90005202 |
| CAS Number | 77-58-7 |
| IUPAC Name | [dibutyl(dodecanoyloxy)stannyl] dodecanoate |
| EC Number | 201-039-8 |
| Molecular Formula | C32H64O4Sn |
| Molecular Weight | 631.56 |
| Exact Mass | 632.3827 |
| SMILES | CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC |
| InChIKey | UKLDJPRMSDWDSL-UHFFFAOYSA-L |
| InChI | InChI=1S/2C12H24O2.2C4H9.Sn/c2*1-2-3-4-5-6-7-8-9-10-11-12(13)14;2*1-3-4-2;/h2*2-11H2,1H3,(H,13,14);2*1,3-4H2,2H3;/q;;;;+2/p-2 |
| PubChem CID | 16682738 |
| UN Number | UN2788 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2931.90.9010 |
| Tariff Code | 2931900090 |
Safety & GHS
-
Toxic
GHS06
-
Serious Health Hazard
GHS08
-
Hazardous to the Environment
GHS09
Hazard statements
- H301 Toxic if swallowed
- H341 Suspected of causing genetic defects
- H360FD May damage fertility. May damage the unborn child.
- H370 Causes damage to organs
- H372 Causes damage to organs through prolonged or repeated exposure
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, 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.
Synonyms
- Butynorate
- Davainex
- DBTL
- Di-n-butyltin dilaurate
- Dibutylbis(lauroyloxy)tin
- Dibutyltin laurate
- Stabilizer D-22
- Stanclere DBTL
- Tinostat
- TVS Tin Lau
Frequently asked questions
What is dibutyltin dilaurate used for?
It is primarily used as a catalyst in polyurethane and silicone polymerization reactions.
What is the chemical formula and molecular weight of dibutyltin dilaurate?
The formula is C32H64O4Sn with a molecular weight of 631.56 g/mol.
How should dibutyltin dilaurate be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade of dibutyltin dilaurate does Molekula supply?
We supply technical grade, suitable for industrial and laboratory applications.
Can Molekula supply dibutyltin dilaurate in bulk?
Yes, we offer bulk quantities upon request; please contact our sales team for details.
What documentation comes with a purchase of dibutyltin dilaurate?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.
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.