Triphenylborane

Structural formula
General
Surname	Triphenylborane
Molecular formula	C 18 H 15 B
Brief description	white / colorless crystals
External identifiers / databases
CAS number 960-71-4 EC number 213-504-2 ECHA InfoCard 100.012.277 PubChem 70400 Wikidata Q7843274
properties
Molar mass	242.12 g mol −1
Physical state	firmly
Melting point	142-151 ° C
safety instructions
GHS labeling of hazardous substances danger H and P phrases H: 228 P: 210
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Triphenylborane (abbreviated BPh ₃ ) is an organic boron compound .

Extraction and presentation

Triphenylborane can be obtained by reacting boron trifluoride diethyl etherate with phenylmagnesium bromide .

properties

The center of the molecule, BC ₃ , has a trigonal planar structure. The phenyl groups are rotated by around 30 ° in relation to the central plane.

Three-dimensional view of the triphenylborane structure

Triphenylborane pyridine

Triphenylborane Pyridine (TPBP) is used in Asia as an underwater paint for ships .

Individual evidence

1. ↑ ^{a b} David R. Lide (Ed.): CRC Handbook of Chemistry and Physics . 90th edition. (Internet version: 2010), CRC Press / Taylor and Francis, Boca Raton, FL, Physical Constants of Organic Compounds, pp. 3-512.
2. ↑ ^{a b c} Alfred Golloch, Heinz M. Kuss, Peter Sartori: Inorganic-Chemical Preparations. Walter de Gruyter, 1985, ISBN 978-3-110-83694-3 , p. 102 ( limited preview in Google book search).
3. ↑ ^{a b} data sheet triphenylborane, powder, <2% H from Sigma-Aldrich , accessed on January 4, 2015 ( PDF ).
4. ↑ Zettler, F .; Hausen, HD; Hess, H .: Crystal and Molecular Structure of Triphenylborane . In: J. Organomet. Chem. . 72, No. 2, 1974, p. 157. doi : 10.1016 / S0022-328X (00) 81488-6 .
5. ↑ Xiaojian Zhou, Hideo Okamura, Shinichi Nagata: Abiotic degradation of triphenylborane pyridine (TPBP) antifouling agent in water . In: Chemosphere . tape 67 , no. 10 , May 2007, pp. 1904–1910 , doi : 10.1016 / j.chemosphere.2006.12.007 ( PDF ).

Web links

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