# NIOSH Pocket Guide to Chemical Hazards
Cyclohexylamine | CAS 108-91-8
C6H11NH2 | RTECS GX0700000
Synonyms & Trade Names Aminocyclohexane, Aminohexahydrobenzene, Hexahydroaniline, Hexahydrobenzenamine | DOT ID & Guide 2357 132
Exposure Limits | NIOSH REL: TWA 10 ppm (40 mg/m3)
OSHA PEL†: none
IDLH N.D. | Conversion 1 ppm = 4.06 mg/m3
Physical Description Colorless or yellow liquid with a strong, fishy, amine-like odor.
MW: 99.2 | BP: 274°F | FRZ: 0°F | Sol: Miscible
VP: 11 mmHg | IP: 8.37 eV |  | Sp.Gr: 0.87
Fl.P: 88°F | UEL: 9.4% | LEL: 1.5% |
Class IC Flammable Liquid: Fl.P. at or above 73°F and below 100°F.
Incompatibilities & Reactivities Oxidizers, organic compounds, acid anhydrides, acid chlorides, acids, lead [Note: Corrosive to copper, aluminum, zinc & galvanized steel.]
Measurement Methods NIOSH 2010; OSHA PV2016
Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet (flammable) Change: No recommendation Provide: Eyewash, Quick drench | First Aid (See procedures) Eye: Irrigate immediately Skin: Water flush immediately Breathing: Respiratory support Swallow: Medical attention immediately
Respirator Recommendations To be added later
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms Irritation eyes, skin, mucous membrane, respiratory system; eye, skin burns; skin sensitization; cough, pulmonary edema; drowsiness, dizziness; diarrhea, nausea, vomiting
Target Organs Eyes, skin, respiratory system, central nervous system
See also: INTRODUCTION