NIOSH Pocket Guide to Chemical Hazards


CAS 108-91-8


RTECS GX0700000
Synonyms & Trade Names
Aminocyclohexane, Aminohexahydrobenzene, Hexahydroaniline, Hexahydrobenzenamine
DOT ID & Guide
2357 132


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
Important additional information about respirator selection
Respirator Recommendations Not available.
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