|Molar mass||113.16 g/mol|
|Melting point||88 to 91 °C (190 to 196 °F; 361 to 364 K)|
|Boiling point||204 to 206 °C (399 to 403 °F; 477 to 479 K)|
|EU classification||Not available|
|Flash point||110 °C (230 °F; 383 K)|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Cyclohexanone oxime is an organic compound containing the functional group oxime. This compound is usually not isolated as a pure compound as it is unstable when pure. However, it is an important intermediate in the production of nylon 6, a widely used polymer. It should not be confused with caprolactam, which is an isomer of the compound.
Alternatively, another industrial route involves the reaction of cyclohexane with nitrosyl chloride, which is a free radical reaction. This method is advantageous as cyclohexane is much cheaper than cyclohexanone.
The most famous and important reaction is that cyclohexanone oxime undergoes Beckmann rearrangement when heated with an acid catalyst, yielding ε-caprolactam:
As the compound contains the oxime group, it undergoes usual reactions of an oxime. For example, reducing cyclohexanone oxime by sodium amalgam gives cyclohexylamine. It can also be hydrolyzed with acetic acid to give cyclohexanone again.
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