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Description and features

Viacat 4202 (Dibutyltin dilaurate) is a yellow liquid which has C32H64O4Sn as chemical formula. It is used in the production of polyether and polyester based polyurethanes. Further it finds its application as catalyst in both adhesives and sealants. Other uses include heat stabilizer for PVC and room temperature vulcanization (RTV) of sillicone polymers.

Dibutyltin dilaurate is also known as di-n-butyldilauryltin, dibutylbis(lauroyloxy)stannane and dibutyltin didodecanoate.


Europe: ViaCat 4202 (DBTDL) is ➔ on stock in our local warehouses. Our lead time is about one week if delivered in 25 KG drums.

United States, Canada, South America, South Africa and other markets can also be served, please contact our sales department for more details.

This substance (CAS: 77-58-7) has been registered under REACH (EC) 1907/2006.

Product Identification

CAS number 77-58-7
EC number 201-039-8
HS code 2931 90 00
Sensitivity Not hygroscopic


Appearance Yellow liquid
Tin content 18.00 -19.00 %
Moisture <0.40 %
Colour (Gardner) < 300


Available packaging: 25 KG / 200 KG drums or IBC.
Special packaging is available on request.


Store Dibutyltin dilaurate in a cool, dry and well-ventilated area and in line with legal requirements.
Keep DBTDL away from heat sources and oxidizing agents.


A Material Safety Data Sheets (MSDS) is available for ViaCat 4101 (DBTDL) and all other products supplied by Vesta Chemicals BV.

An MSDS describes the hazards of a product and explains how a product can be safely handled, used and stored. Besides it provides important regulatory and emergency response information for the purchased product.

Molecular and structural information

Molecular formula C32H64O4Sn
Molecular weight 631.56 g/mol
Structural formula 77-58-7

Physicochemical information

Boiling point 205 °C
Density 1.043 g/ml @ 28.50 ºC
Flash point ± 191.00 °C
Melting point 28.50 °C
Partition coefficient (log Pow) 4.44
Solubility in water Insoluble (< 0.1 mg/l)
Vapour pressure 7.7 x 10-6 Pa @ 25°C
Dibutyltin dilaurate – CAS: 7758-7: Disclaimer. This information is supplied solely for informational purposes and Vesta Chemicals bv makes no guarantees or warranties, either expressed or implied, with respect to the accuracy and use of this data. All product warranties and guarantees shall be governed by the Standard Terms of Sale. Nothing in this document is legal advice or is a substitute for competent legal advice.