C6H11NO
113.16 g/mol
Industrial ChemicalWarning
Epsilon-Caprolactam
CAS105-60-2EC203-313-2
Category
Industrial Chemical
Compound Class
Amide
Primary Use
Monomer for nylon 6 production
ε-Caprolactam is a cyclic amide that serves as the key monomer in the production of nylon 6, a widely used synthetic fiber and plastic. Its structure is a seven-membered lactam ring, which undergoes ring-opening polymerization to form the polyamide polymer.
Production of nylon 6 fibers and plasticsManufacture of synthetic leather and film coatingsUse as a cross-linking agent for polyurethanes
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongStructure SimilarSimilarity 1.00
1-Aza-2-cyclooctanone
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research compound
StrongStructure SimilarSimilarity 0.94
2-piperidone
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pharmaceutical intermediate
SimilarStructure SimilarSimilarity 0.78
2-pyrrolidone
CAS616-45-5
Solvent and monomer for copolymers
ReferenceSame Category
2,4-dimethylphenol
CAS105-67-9
Production of antioxidants and resins
ReferenceSame Category
Lauroyl peroxide
CAS105-74-8
polymerization initiator and bleaching agent
ReferenceSame Category
Dibutyl fumarate
CAS105-75-9
Plasticizer
ReferenceSame Category
Dibutyl maleate
CAS105-76-0
Plasticizer and surfactant
Referencestereoisomer of
Dirhodium(II) Tetra(caprolactam)
CAS138984-26-6
research compound
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
H312Harmful in contact with skin
H361Suspected of damaging fertility or the unborn child
H371May cause damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H316Causes mild skin irritation
H336May cause drowsiness or dizziness
H370Causes damage to organs
Customs Tariff Classification
The international HS code for Epsilon-Caprolactam (CAS 105-60-2) is 2933.71.
HS code (international, 6-digit)
2933.71
EU CN code (8-digit)
2933 71 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
azepan-2-one
InChIKey
JBKVHLHDHHXQEQ-UHFFFAOYSA-N
SMILES
C1CCC(=O)NCC1
Synonyms (69)
- Azepan-2-One; Zinc Acexamate EP Impurity D
- 1,6-Hexalactam
- 1,6-Hexolactam
- 1-Aza-2-cycloheptanone
- 2-Azacycloheptanone
- 2-Azepanone #
- 2-Azepinone, hexahydro-, (Z)-
- 2-Ketohexamethyleneimine
- 2-Ketohexamethylenimine
- 2-Oxohexamethyleneimine
- 2-Oxohexamethylenimine
- 2-Perhydroazepinone
- 2H-Azepin-2-one, hexahydro-
- 2H-Azepin-7-one, hexahydro-
- 6-Aminocaproic acid lactam
- 6-Aminohexanoic acid lactam
- 6-Caprolactam
- 6-Hexanelactam
- 6-hexanolactam
- ATM 2(NYLON)
- Aminocaproic lactam
- Caprolactam dust and vapor
- Caprolactam monomer
- Caprolattame
- Caprolattame [French]
- Capron
- Capron 8257
- Capron PK4
- Cyclohexanone iso-oxime
- E-Caprolactam
- E-caprolactum
- Epsylon kaprolaktam
- Epsylon kaprolaktam [Polish]
- Extrom 6N
- Hexamethylenimine, 2-oxo-
- Hexanoic acid, cyclic lactam
- Hexanoic acid, lactam
- Hexanolactam
- Hexanone isoxime
- Hexanonisoxim
- Hexanonisoxim [German]
- Kaprolaktam
- Kapromine
- Lactam, aminocaproic
- Metamid
- PA 6
- PK 4
- Steelon
- Stilon
- Stylon
- Tarlon X-A
- Tarnamid T 27
- ZINC ACEXAMATE IMPURITY D
- caprolactim
- e-Kaprolaktam
- e-Kaprolaktam [Czech]
- epsilon-Caprolactam
- gamma-caprolactam
- hexahydro 2H Azepin 2 one
- hexannic acid
- omega-Caprolactam
- omega-caprolactum
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