Caprolactam
Synonyms & Trade Names
Aminocaproic lactam, epsilon-Caprolactam, Hexahydro-2H-azepin-2-one, 2-Oxohexamethyleneimine
Exposure 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 GMeasurement Methods
Physical Description
White, crystalline solid or flakes with an unpleasant odor.
[Note: Significant vapor concentrations would be expected only at elevated temperatures.]
Molecular Weight
113.2
Boiling Point
515°F
Melting Point
156°F
Solubility
53%
Vapor Pressure
0.00000008 mmHg
Ionization Potential
?
Specific Gravity
1.01
Flash Point
282°F
Upper Explosive 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 contact
Symptoms
irritation skin, eyes, respiratory system; epistaxis (nosebleed); dermatitis, skin sensitization; asthma; irritability, confusion, dizziness, headache; abdominal cramps, diarrhea, nausea, vomiting; liver, kidney injury
Target Organs
Eyes, skin, respiratory system, central nervous system, cardiovascular system, liver, kidneys
Personal Protection/Sanitation
(See protection codes)
Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated
Remove:When wet or contaminated
Change:Daily
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
Eye:Irrigate immediately
Skin:Water wash immediately
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations
Not available.
See also
INTRODUCTION
ICSC CARD: 0118
Page last reviewed: October 30, 2019
Content
source: National Institute for Occupational Safety and Health