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PHENOL†
| CAS # | 108-95-2 | 
|---|---|
| Formula | C₆H₆O | 
| Synonyms | carbolic acid; hydroxybenzene; monohydroxybenzene; phenyl alcohol; phenyl hydroxide | 
| Physical description | Colorless to light-pink, crystalline solid with a sweet, acrid odor. | ||
|---|---|---|---|
| Boiling point | 359°F | Molecular weight | 94.1 | 
| Freezing point/melting point | 109°F | Vapor pressure | 0.4 mmHg | 
| Flash point | 175°F | Vapor density | 3.24 | 
| Specific gravity | 1.06 | Ionization potential | 8.50 eV | 
| Lower explosive limit (LEL) | 1.8% | Upper explosive limit (UEL) | 8.6% | 
| NFPA health rating | 4 | NFPA fire rating | 2 | 
| NFPA reactivity rating | 0 | NFPA special instruction | |
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | 2040 | 
|---|---|
| Sampling group | |
| Sampler/Sampling media | XAD-7 tube (100/50 mg) [SKC 226-95] | 
| Sampling time* | 240 min | 
| Sampling volume (TWA)* | 24 L | 
| Sampling flow rate (TWA)* | 0.1 L/min | 
| Sampling volume (STEL/Peak/C)* | |
| Sampling flow rate (STEL/Peak/C)* | |
| Analytical method instruments | GC-FID | 
| Method reference | OSHA 32 (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 | |||||
|---|---|---|---|---|---|
| Model/Type | |||||
| Sampling information (see manufacturer instructions) | 
| 
                                  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 | 5 ppm (19mg/m³) | REL-TWA | 5 ppm (19 mg/m³) | TLV-TWA | 5 ppm [1992] | PEL-TWA | 5 ppm (19 mg/m³) | 
| PEL-STEL | REL-STEL | 
 | TLV-STEL | 
 | PEL-STEL | 
 | |
| PEL-C | REL-C | 15.6 ppm (60 mg/m³) [15 minutes] | TLV-C | 
 | PEL-C | 
 | |
| Skin notation | Y | Skin notation | Y | Skin notation | Y | Skin notation | Y | 
| Notes: | Notes: 
 | Notes: BEI® | Notes: 
 | ||||
| Health factors: See NIH-NLM PubChem. | IDLH | 250 ppm | |||||
| Carcinogenic classifications: IARC-3, TLV-A4, EPA-I; D | Notes: 
 | ||||||
| AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: 10 ppm/50 ppm/200 ppm | |||||||
Additional Resources and Literature References
| NOAA: CAMEO Chemicals - Phenol, liquid NIOSH: Pocket Guide to Chemical Hazards - Phenol Literature References 
 | 
Last Updated Date : 01/08/2021
