CYCLOHEXENE†
| CAS # | 110-83-8 |
|---|---|
| Formula |
C₆H₁₀ |
| Synonyms |
benzene tetrahydride; tetrahydrobenzene |
| Physical description | Colorless liquid with a sweet odor. | ||
|---|---|---|---|
| Boiling point | 181°F | Molecular weight | 82.2 |
| Freezing point/melting point | -154°F | Vapor pressure | 67 mmHg |
| Flash point | 11°F | Vapor density | |
| Specific gravity | 0.81 | Ionization potential | 8.95 eV |
| Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
| NFPA health rating | 1 | NFPA fire rating | 3 |
| NFPA reactivity rating | 0 | NFPA special instruction | |
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | 0840 | ||
|---|---|---|---|
| Sampling group | |||
| Sampler/Sampling media | CSC tube (100/50 mg) [SKC 226-01] | ||
| Sampling time* | |||
| Sampling volume (TWA)* | 5-7 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 1500 (partially 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 | Infrared spectrophotometer | ||
|---|---|---|---|---|---|
| Model/Type | Gastec 151 | Miran 1A & 1B | Miran 103 | ||
|
Sampling information (see manufacturer instructions) |
100-1000 ppm | 4.4 ppm@8.8 µm | 0-600 ppm@8.7 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 |
300 ppm (1015 mg/m³) |
REL-TWA |
300 ppm |
TLV-TWA |
20 ppm (67 mg/m3) [2020] |
PEL-TWA |
300 ppm (1015 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 |
2000 ppm |
|||||
| Carcinogenic classifications: Not listed | Notes: | ||||||
| AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: | |||||||
Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Cyclohexene NIOSH: Pocket Guide to Chemical Hazards - Cyclohexene Literature References
|
Last Updated Date : 05/18/2022