Dibutyltin dilaurate
Structural formula | |||||||||||||||||||
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General | |||||||||||||||||||
Surname | Dibutyltin dilaurate | ||||||||||||||||||
other names |
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Molecular formula | C 32 H 64 O 4 Sn | ||||||||||||||||||
Brief description |
colorless liquid with a fatty acid odor |
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External identifiers / databases | |||||||||||||||||||
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properties | |||||||||||||||||||
Molar mass | 631.56 g mol −1 | ||||||||||||||||||
Physical state |
liquid |
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density |
1.066 g cm −3 (25 ° C) |
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Melting point |
25-27 ° C |
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boiling point |
> 250 ° C |
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Vapor pressure |
<0.1 hPa (20 ° C) |
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solubility |
practically insoluble in water (<1.43 mg l −1 at 20 ° C) |
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Refractive index |
1.471 (20 ° C) |
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safety instructions | |||||||||||||||||||
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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
- ↑ 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) .
- ↑ a b c d e f data sheet dibutyltin dilaurate, 95% from Sigma-Aldrich , accessed on December 30, 2019 ( PDF ).
- ↑ 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 .
- ^ CR Noller: Textbook of Organic Chemistry . Springer-Verlag, 2013, ISBN 978-3-642-87324-9 , pp. 948 ( limited preview in Google Book search).
- ↑ 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).