Label abbreviations descriptions

METHYLCYCLOHEXANOL†

Chemical Identification
CAS # 25639-42-3
Formula
 

C₇H₁₄O
Synonyms
 

hexahydrocresol; hexahydromethylphenol

Physical Properties
Physical description Straw-colored liquid with a weak odor like coconut oil.
Boiling point 311-356°F Molecular weight 114.2
Freezing point/melting point -58°F Vapor pressure 2 mmHg at 86°F
Flash point 149-158°F Vapor density
Specific gravity 0.92 Ionization potential 9.80 eV
Lower explosive limit (LEL) Upper explosive limit (UEL)
NFPA health rating NFPA fire rating
NFPA reactivity rating NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.) 1760
Sampling group
Sampler/Sampling media CSC tube (100/50 mg) [SKC 226-01]
Sampling time*
 

 
Sampling volume (TWA)*
 
 

1-15 L
Sampling flow rate (TWA)*
 
 

0.01-0.2 L/min
Sampling volume (STEL/Peak/C)*
 
 

 
Sampling flow rate (STEL/Peak/C)*
 
 

 
Analytical method instruments GC-FID
Method reference NIOSH 1404 (fully validated)
Notes
 
 

 
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 Infrared spectrophotometer
Model/Type Matheson-Kitagawa 8014-199U Miran 1A & 1B
Sampling information
(see manufacturer instructions) 		5-200 ppm range 0.5 ppm@9.5 µm

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
 
 

100 ppm (470 mg/m³)

 REL-TWA
 
 

50 ppm (235 mg/m³)

 TLV-TWA
 
 

50 ppm [2005]

 PEL-TWA
 
 

50 ppm (235 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
 
 

N
Notes:
 
 

See 29 CFR 1910.1000 Table Z-1.

 Notes:
 
 

 

 Notes:
 
 

 

 Notes:
 
 

 
Health factors:  See NIH-NLM PubChem. IDLH
 
 

500 ppm
Carcinogenic classifications: Not listed Notes:
 
 

 
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
 
 

 

Additional Resources and Literature References

Last Updated Date : 01/05/2021