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METHYLCYCLOHEXANOL†
| CAS # | 25639-42-3 |
|---|---|
| Formula |
C₇H₁₄O |
| Synonyms |
hexahydrocresol; hexahydromethylphenol |
| 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 | |||
| 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.
| Wipe Sampler/Sampling media |
|
|---|---|
| Bulk Method |
|
| 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 |
|
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 |
|||||
|---|---|---|---|---|---|---|---|
| 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: |
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:
|
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Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Methylcyclohexanol NIOSH: Pocket Guide to Chemical Hazards - Methylcyclohexanol Literature References
|
Last Updated Date : 01/05/2021