Description and features

ViaCat 400 (Dibutyltin diacetate) is a colourless to yellowish substance which has C12H24O4Sn as chemical formula. It is liquid at room temperature and is used as catalyst for room temperature crosslinking of silicon / rubber sealants, polyurethane coatings and for esterification and transesterification reactions.

Dibutyltin diacetate s also known as diacetoxybutyltin, dibutyltin di(acetate) and  bis(acetyloxy)dibutylstannane


Europe and United States: Provided ViaCat 400 (DBTDA) is on stock in our local warehouses our lead time is about one week if delivered in 25 KG drums.

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

This substance (CAS: 1067-33-0) has been registered under REACH (EC) 1907/2006.

Product Identification

CAS number 1067-33-0
EC number 213-928-8
HS code 2931 90 80


Appearance Colourless to yellow liquid
Tin content ≥33.00 %
Viscosity mPa.s ≤50


Available packaging: 25 KG drum.
Special packaging is available on request


Store Dibutyltin diacetate in a cool, dry and well-ventilated area and in line with legal requirements.
Keep ViaCat 400 (DBTDA) away from heat sources and oxidizing agents.


A Material Safety Data Sheets (MSDS) is available for ViaCat 400 (DBTDA) 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 C12H24O4Sn
Molecular weight 351.03 g/mol
Smiles notation [Sn](OC(C)=O)(OC(C)=O)(CCCC)CCCC
Structural formula 1067-33-0

Physicochemical information

Boiling point 130 °C @ 0.67 kPa
Density 1.310 g/l @ 20 °C
Flash point 150.50 °C
Melting point 9 °C
Partition coefficient (log Pow) 3.39
Solubility in water Moderately soluble ( (0.40 g/l )
Vapour pressure 2.4 x 10-3 Torr = 0.32 Pa @ 20 °C
Dibutyltin diacetate | CAS: 1067-33-0 | 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.