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Caprolactam



Caprolactam
IUPAC name Azepan-2-one
Other names ε-Caprolactam, 1-Aza-2-cycloheptanone, 2-Azacycloheptanone, Capron PK4, Cyclohexanone iso-oxime, Extrom 6N, Hexahydro-2-azepinone, Hexahydro-2H-azepin-2-one (9CI), Hexanolactame
Identifiers
CAS number 105-60-2
EINECS number 203-313-2
SMILES C1CC(NCCC1)=O
Properties
Molecular formula C6H11NO
Molar mass 113,16 g/mol
Density 1,01 g/cm3
Melting point

68 °C

Boiling point

136-138 °C

Solubility in water 4560 g/l
Hazards
R-phrases R20, R22, R36/37/38
Flash point 125 °C
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)
Infobox disclaimer and references

Caprolactam is an organic compound which is a cyclic amide (or lactam).

Additional recommended knowledge

The primary industrial use of caprolactam is as a monomer in the production of nylon-6. Most of the caprolactam is synthesised from cyclohexane via an oximation process using hydroxylammonium_sulfate followed by catalytic rearrangement using the Beckmann rearrangement process step.

Major worldwide producers include : BASF, Honeywell, DSM (Dutch State Mines),Bayer, Toray and Sumitomo/Enichem.


Caprolactam is an irritant and is toxic by ingestion, inhalation, or absorption through the skin.

 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Caprolactam". A list of authors is available in Wikipedia.
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