Phenylisocyanate
| Skeletal formula | |
| Ball-and-stick model | |
| Names | |
|---|---|
| IUPAC name
Isocyanatobenzene
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| Identifiers | |
103-71-9  |
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| ChEBI | CHEBI:53806 |
| ChemSpider | 7389 |
| Jmol 3D model | Interactive image |
| PubChem | 7672 |
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| Properties | |
| C7H5NO | |
| Molar mass | 119.12 g·mol−1 |
| Appearance | Colourless liquid |
| Density | 1.09 |
| Melting point | -30 °C |
| Boiling point | 165 °C |
| Reacts with water | |
| Vapor pressure | {{{value}}} |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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| Infobox references | |
Phenylisocyanate is an organic compound typically abbreviated PhNCO. The molecule consists of a phenyl ring attached to the isocyanate functional group. It is a colourless liquid that reacts with water. Phenylisocyanate has a strong odor and tearing vapours, therefore it should be handled in the fumehood.
Characteristic of other isocyanates, it reacts with amines to give ureas.[1] Similarly, reacts with alcohols to form carbamates.
It is used in addition with triethylamine to activate nitro groups to undergo (C,O) 1,3-dipolar cycloaddition (as opposed to O,O). The nitro group (RCH2NO2) is converted to RCNO in the reaction, with CO2 as one of the by products.[2]
References
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- ↑ Emmanuil I. Troyansky "Phenyl Isocyanate" in Encyclopedia of Reagents for Organic Synthesis, 2001 John Wiley & Sons doi:10.1002/047084289X.rp073
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
