Chemical Sampling Information
	Caprolactam (Vapor)
Quick Links General Description Exposure Limits Health Factors Monitoring Search    [use word(s)/phrase] Table of Contents By Name A B C D E F G H I J K L M N O P Q R S T U V W X Y Z By CAS Number General Description Synonyms: Aminocaproic lactam; epsilon-Caprolactam; Hexahydro-2H-azepin-2-one; 2-Oxohexamethyleneimine OSHA IMIS Code Number: 0524 Chemical Abstracts Service (CAS) Registry Number: 105-60-2 NIOSH, Registry of Toxic Effects (RTECS) Identification Number: CM3675000 NIOSH Pocket Guide to Chemical Hazards, Caprolactam: chemical description, physical properties, potentially hazardous incompatibilities, and more Exposure Limits American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 5 mg/m3 TWA, Inhalable Fraction and Vapor (see TLV Booklet); Appendix A5 - Not Suspected as a Human Carcinogen National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 0.22 ppm, 1 mg/m3 TWA; 0.66 ppm, 3 mg/m3 STEL Health Factors International Agency for Research on Cancer (IARC) carcinogenic classification: Group 4 - Probably Not Carcinogenic to Humans [381 KB, PDF] Environmental Protection Agency (EPA) carcinogenic classification: Not classified Symptoms: Acute (short-term) exposure may result in irritation and burning of the eyes, nose, throat, and skin. Headaches, malaise, confusion, and nervous irritation after inhalation. Chronic (long-term) exposure may cause peeling of the hands and some eye, nose, and throat irritation. Health Effects: Irritation-Eye, Nose, Throat, Skin---Moderate (HE15) CNS Effects (HE7) Affected organs: Eyes, nose, throat, skin, CNS Literature Basis: NIOSH Pocket Guide to Chemical Hazards: Caprolactam. International Chemical Safety Cards (WHO/IPCS/ILO): Caprolactam. U.S. EPA Integrated Risk Information System: Caprolactam (CASRN 105-60-2). U.S. EPA Air Toxics Web Site: Caprolactam. Monitoring Methods used by OSHA Laboratory Sampling/Analytical Method: sampling media: OSHA Versatile Sampler (OVS-7) - 13 mm XAD-7 tube (270/140 mg sections, 20/60 mesh) with Glass Fiber Filter enclosed maximum volume: 100 Liters   maximum flow rate: 1.0 L/min (TWA) current analytical method: High Performance Liquid Chromatography; HPLC/UV method reference: OSHA Analytical Method (OSHA PV2012) method classification: Partially Validated All Trademarks are the property of their respective owners. Accessibility Assistance: Contact the OSHA Directorate of Science, Technology and Medicine at 202-693-2300 for assistance accessing PDF materials.