Label abbreviations descriptions

CYCLOHEXYLAMINE

Chemical Identification
CAS # 108-91-8
Formula

C₆H₁₃N
Synonyms

aminocyclohexane; aminohexahydrobenzene; hexahydroaniline; hexahydrobenzenamine

Physical Properties
Physical description Colorless to yellow liquid with an odor of ammonia.
Boiling point 274°F Molecular weight 99.2
Freezing point/melting point 0.1°F Vapor pressure 11 mmHg
Flash point 88°F Vapor density 3.42
Specific gravity 0.87 Ionization potential 8.37 eV
Lower explosive limit (LEL) 1.5% Upper explosive limit (UEL) 9.4%
NFPA health rating 3 NFPA fire rating 3
NFPA reactivity rating 0 NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.) 0842
Sampling group
Sampler/Sampling media XAD-7 tube (80/40 mg) coated with phosphoric acid [SKC 226-98]
Sampling time*
Sampling volume (TWA)*

10-20 L
Sampling flow rate (TWA)*

0.1-0.2 L/min
Sampling volume (STEL/Peak/C)*
Sampling flow rate (STEL/Peak/C)*
Analytical method instruments GC-FID
Method reference OSHA PV2016 (partially validated)
Notes

The ammonium hydroxide eliminates the need for neutralization of the desorbing solution but the ammonia liberated may be an interference in the analysis.
Special requirements

* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method
Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques
Device Detector tube
Model/Type Gastec 180
Sampling information
(see manufacturer instructions) 		1-60 ppm range

Exposure Limits
OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
NIOSH REL
Up to 10-hour TWA
(ST) STEL
(C) Ceiling
ACGIH TLV©
8-hour TWA
(ST) STEL
(C) Ceiling
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA REL-TWA

10 ppm (40 mg/m³)

 TLV-TWA

10 ppm [1990]

 PEL-TWA

10 ppm (40 mg/m³)
PEL-STEL REL-STEL TLV-STEL PEL-STEL
PEL-C REL-C TLV-C PEL-C
Skin notation

N

 Skin notation

N

 Skin notation

N

 Skin notation

Y
Notes:

Not established

 Notes: Notes: Notes:
Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: TLV-A4 Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

Last Updated Date : 06/02/2022