Phenylthiophosphonyl dichloride
Structural formula | ||||||||||||||||
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General | ||||||||||||||||
Surname | Phenylthiophosphonyl dichloride | |||||||||||||||
other names |
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Molecular formula | C 6 H 5 Cl 2 PS | |||||||||||||||
Brief description |
colorless liquid |
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properties | ||||||||||||||||
Molar mass | 211 g mol −1 | |||||||||||||||
Physical state |
liquid |
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density |
1.4 g cm −3 |
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Melting point |
118 ° C |
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boiling point |
270 ° C |
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Refractive index |
1.6178-1.6182 |
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safety instructions | ||||||||||||||||
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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 |
Phenylthiophosphonyl dichloride is an aromatic chemical compound from the groups of organophosphorus compounds and thiophosphoric acid esters .
Extraction and presentation
To produce phenylthiophosphonyl dichloride, benzene is first reacted with phosphorus trichloride in the presence of aluminum chloride. The reaction with elemental sulfur then forms phenylthiophosphonyl dichloride.
- Reaction of phosphorus trichloride with benzene to form dichlorophenylphosphine, then with sulfur to form phenylthiophosphonyl dichloride (Ph = phenyl).
use
Phenylthiophosphonyl dichloride is an intermediate in the synthesis of the insecticide EPN .
The compound can be used as a starting material for the production of bis (4-carboxyphenyl) phenylphosphine oxide , which was investigated as a comonomer for nylon with higher flame retardancy .
Individual evidence
- ↑ a b c d e Entry on Phenylthiophosphononic dichloride at ChemicalBook , accessed on April 18, 2012.
- ↑ harmonized classification for this substance . A labeling of dichloro (phenyl) phosphine sulphide in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on November 5, 2019, is reproduced from a self-classification by the distributor . There is not yet a
- ↑ Patent US2961405 : Lubricating compositions containing phosphorus compounds for lubrication of silver bearings. Applied on February 17, 1956 , published November 22, 1960 , applicant: Shell Oil, inventor: Richard G. Cunningham.
- ↑ Thomas A. Unger: Pesticide synthesis handbook. 1996, ISBN 978-0-81551401-5 , p. 284 ( limited preview in Google book search).
- ^ I-Yuan Wan, JE McGrath, Takashi Kashiwagi: Triarylphosphine Oxide Containing Nylon 6,6 Copolymers. In: Fire and Polymers II. Chapter 2, pp. 29-40, doi : 10.1021 / bk-1995-0599.ch002 ( online ; PDF; 562 kB).