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Caprolactam

CAS Number

105-60-2

Synonym

Aminocaproic lactam; epsilon-Caprolactam; Hexahydro-2H-azepin-2-one; 2-Oxohexamethylenimine; 2-Ketohexamethylenimine

Occurrence/Use

Monomer used in manufacture of synthetic fibers and resins (Nylon 6) used in carpets, rugs, textiles, engineering plastics, tire cord, and plastic film

Caprolactam

Cancer Potency Information

Latest Criteria: 
Reference Exposure Levels

Air

Acute RELs

Acute REL (μg/m3): 
50
Species: 
Human
Acute REL Toxicologic Endpoint: 
Increased blink frequency in humans
Acute REL Target Organs: 
Eyes
Severity: 
Mild
Last Acute REL Revision: 
2013
Acute Reference Exposure Levels Comments: 

8-Hour RELs

8-Hour Inhalation REL (μg/m3): 
7
Last 8-Hour REL Revision: 
2013
8-Hour Reference Exposure Levels Comments: 

Chronic REL

Chronic Inhalation REL (μg/m3): 
2.2
Chronic Target Organs: 
Upper respiratory system
Human Data: 
No
Last Chronic REL Revision: 
2013
Chronic Reference Exposure Levels Comments: