Dibutyltin dilaurate

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Structural formula
Structural formula of dibutyltin dilaurate
General
Surname Dibutyltin dilaurate
other names
  • Dibutyl [bis (dodecanoyloxy)] stannane ( IUPAC )
  • DBTL
Molecular formula C 32 H 64 O 4 Sn
Brief description

colorless liquid with a fatty acid odor

External identifiers / databases
CAS number 77-58-7
EC number 201-039-8
ECHA InfoCard 100,000,946
PubChem 16682738
ChemSpider 21106564
Wikidata Q15632742
properties
Molar mass 631.56 g mol −1
Physical state

liquid

density

1.066 g cm −3 (25 ° C)

Melting point

25-27 ° C

boiling point

> 250 ° C

Vapor pressure

<0.1 hPa (20 ° C)

solubility

practically insoluble in water (<1.43 mg l −1 at 20 ° C)

Refractive index

1.471 (20 ° C)

safety instructions
GHS hazard labeling from  Regulation (EC) No. 1272/2008 (CLP) , expanded if necessary
08 - Dangerous to health 05 - Corrosive 07 - Warning 09 - Dangerous for the environment

danger

H and P phrases H: 314-317-341-360FD-370-372-410
P: 201-260-273-280-305 + 351 + 338-310
Toxicological data
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C

Dibutyltin dilaurate is a chemical compound from the group of laurates and organotin compounds .

Extraction and presentation

Dibutyltin dilaurate can be obtained by reacting dibutyltin dichloride with sodium laurate .

properties

Dibutyltin dilaurate is a flammable, hardly inflammable, colorless liquid with a fatty acid odor that is practically insoluble in water. The flash point is 149 ° C, the ignition temperature> 200 ° C and the self-ignition temperature > 400 ° C.

use

Dibutyl dilaurate is used as a catalyst in the production of polyisocyanates for polyurethane foams and varnishes, acrylic acid esters , silicones and silicic acid esters and as a stabilizer for PVC .

Individual evidence

  1. a b c d e f g h Entry on dibutyl dilaurate in the GESTIS substance database of the IFA , accessed on December 30, 2019(JavaScript required) .
  2. a b c d e f data sheet dibutyltin dilaurate, 95% from Sigma-Aldrich , accessed on December 30, 2019 ( PDF ).
  3. Entry on Dibutyltin dilaurate in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on December 30, 2019. Manufacturers or distributors can expand the harmonized classification and labeling .
  4. ^ CR Noller: Textbook of Organic Chemistry . Springer-Verlag, 2013, ISBN 978-3-642-87324-9 , pp. 948 ( limited preview in Google Book search).
  5. A. Goldschmidt, H.-J. Streitberger: BASF Handbook Painting Technology . Vincentz Verlag, Hannover 2002, ISBN 3-87870-324-4 , p. 186 ( limited preview in Google Book search).