Caprolactam
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Description
A white, hygroscopic flakes used to make Nylon 6. Caprolactam is also used as a plasticizer in paint and a crosslinking agent for Polyurethane.
Synonyms and Related Terms
aminocaproic lactam; 2-oxohexamethyleneimine; hexahydro-2H-azepin-2-one
Risks
- Toxic by inhalation.
- Skin contact causes irritation.
- Combustible. Flash point = 125C
- Produces toxic fumes including nitrogen oxide and ammonia when burnt.
- ThermoFisher: SDS
Physical and Chemical Properties
Soluble in water, methanol, ethanol, ether, tetrahydrofurfuryl alcohol, dimethylformamide, cyclohexene, petroleum fractions, chlorinated hydrocarbons.
| Composition | NH(CH2)5CO |
|---|---|
| CAS | 105-60-2 |
| Melting Point | 70 C |
| Density | 1.02 g/ml |
| Molecular Weight | mol. wt. = 113.2 |
| Refractive Index | 1.4965 |
| Boiling Point | 267 C |
Resources and Citations
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 554
- Theodore J. Reinhart, 'Glossary of Terms', Engineered Plastics, ASM International, 1988
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 1805
- Wikipedia: http://en.wikipedia.org/wiki/Caprolactam (Accessed Feb. 25, 2006)
- Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997