Triisobutyl aluminum

Structural formula
General
Surname	Triisobutyl aluminum
other names	Aluminum triisobutanide; TIBA;
Molecular formula	C 12 H 27 Al
Brief description	pyrophoric colorless liquid
External identifiers / databases
ECHA InfoCard	100.002.643
PubChem	16682931
Wikidata	Q4463032
properties
Molar mass	198.32 g mol −1
Physical state	liquid
density	0.786 g cm −3 (25 ° C)
Melting point	4-6 ° C
boiling point	86 ° C (13 hPa)
Vapor pressure	0.1 hPa (35 ° C)
solubility	reacts violently with water; soluble diethyl ether, hexane and toluene;
Refractive index	1.4494 (20 ° C)
safety instructions
H and P phrases	H: 250-260-314
	EUH: 014
	P: 210-231 + 232-280-305 + 351 + 338-370 + 378-422
	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

Triisobutylaluminum is a chemical compound from the group of organoaluminum compounds .

Extraction and presentation

Triisobutylaluminum can be obtained by reacting isobutylene with aluminum at 80 ° C and 20.3 MPa (200 atm) hydrogen pressure.

properties

Triisobutylaluminum is a pyrophoric liquid that reacts violently with water, alcohols , oxygen , oxidizing agents , acids and bases. The compound reacts with many organic compounds such as lower aldehydes and ketones .

use

Triisobutylaluminum can be used as a starting material for the production of further aluminum alkyls. The compound is also used as a polymerization catalyst and reducing agent.

Individual evidence

↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k data sheet Triisobutylaluminum, from Sigma-Aldrich , accessed on November 23, 2018 ( PDF ).
↑ ^a ^b ^c Entry on triisobutyl aluminum in the Hazardous Substances Data Bank , accessed November 22, 2018.
↑ ^a ^b ^c Pradyot Patnaik: A Comprehensive Guide to the Hazardous Properties of Chemical Substances . John Wiley & Sons, 2007, ISBN 0-470-13494-1 , pp. 607 ( limited preview in Google Book search).
^ Christoph Janiak, Hans-Jürgen Meyer, Dietrich Gudat, Philipp Kurz: Riedel Modern Inorganic Chemistry . Walter de Gruyter GmbH & Co KG, 2018, ISBN 978-3-11-043328-9 ( limited preview in the Google book search).

[Sigma-1] ↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k data sheet Triisobutylaluminum, from Sigma-Aldrich , accessed on November 23, 2018 ( PDF ).

[HSDB-2] Entry on triisobutyl aluminum in the Hazardous Substances Data Bank , accessed November 22, 2018.

[Pradyot_Patnaik-3] Pradyot Patnaik: A Comprehensive Guide to the Hazardous Properties of Chemical Substances . John Wiley & Sons, 2007, ISBN 0-470-13494-1 , pp. 607 ( limited preview in Google Book search).

[Christoph_Janiak,_Hans-Jürgen_Meyer,_Dietrich_Gudat,_Philipp_Kurz-4] Christoph Janiak, Hans-Jürgen Meyer, Dietrich Gudat, Philipp Kurz: Riedel Modern Inorganic Chemistry . Walter de Gruyter GmbH & Co KG, 2018, ISBN 978-3-11-043328-9 ( limited preview in the Google book search).