Caprolactam
Synonyms & Trade Names
Aminocaproic lactam, epsilon-Caprolactam, Hexahydro-2H-azepin-2-one, 2-OxohexamethyleneimineExposure Limits
NIOSH REL
Dust: TWA 1 mg/m3 ST 3 mg/m3 Vapor: TWA 0.22 ppm (1 mg/m3) ST 0.66 ppm (3 mg/m3)OSHA PEL
none See Appendix GPhysical Description
White, crystalline solid or flakes with an unpleasant odor. [Note: Significant vapor concentrations would be expected only at elevated temperatures.]Molecular Weight
113.2Boiling Point
515°FMelting Point
156°FSolubility
53%Vapor Pressure
0.00000008 mmHgIonization Potential
?Specific Gravity
1.01Flash Point
282°FUpper Exposive Limit
8.0%Lower Explosive Limit
1.4%
Combustible Solid
Incompatibilities & Reactivities
Strong oxidizers, (acetic acid + dinitrogen trioxide)Exposure Routes
inhalation, ingestion, skin and/or eye contactSymptoms
irritation skin, eyes, respiratory system; epistaxis (nosebleed); dermatitis, skin sensitization; asthma; irritability, confusion, dizziness, headache; abdominal cramps, diarrhea, nausea, vomiting; liver, kidney injuryTarget Organs
Eyes, skin, respiratory system, central nervous system, cardiovascular system, liver, kidneysPersonal Protection/Sanitation
(See protection codes)Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated
Remove:When wet or contaminated
Change:Daily
First Aid
(See procedures)Eye:Irrigate immediately
Skin:Water wash immediately
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations
Not available.
- Page last reviewed:April 11, 2016
- Page last updated:April 11, 2016
- Content source:
- National Institute for Occupational Safety and Health (NIOSH) Education and Information Division