NIOSH Publication No. 2005-151:

NIOSH Pocket Guide to Chemical Hazards

September 2005

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. See: IDLH INDEX
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 73F and below 100F.
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
See: NMAM or OSHA Methods
Personal Protection & Sanitation
(See protection)
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
Not available.
Important additional information about respirator selection
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   See ICSC CARD: 0245