PENTACHLOROPHENOL†
| Chemical Identification | |
|---|---|
| CAS # | 87-86-5 |
| Formula |
C₆HCl₅O |
| Synonyms |
PCP; penta; 2,3,4,5,6-pentachlorophenol |
| Physical Properties | |||
|---|---|---|---|
| Physical description | Colorless to white, crystalline solid with a benzene-like odor. | ||
| Boiling point | 588°F (decomposes) | Molecular weight | 266.34 |
| Freezing point/melting point | 374°F | Vapor pressure | 0.00011 mmHg |
| Flash point | Vapor density | 9.2 | |
| Specific gravity | 1.98 | Ionization potential | |
| Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
| NFPA health rating | 3 | NFPA fire rating | 0 |
| 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.) | 1989 | |||||
| Sampling group | ||||||
| Sampler/Sampling media | 2 XAD-7 tubes in series (100/50 mg) [SKC 226-95] | |||||
| Sampling time* | ||||||
| Sampling volume (TWA)* | 48 L |
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| Sampling flow rate (TWA)* | 0.2 L/min |
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| Sampling volume (STEL/Peak/C)* | ||||||
| Sampling flow rate (STEL/Peak/C)* | ||||||
| Analytical method instruments | HPLC-UV | |||||
| Method reference | OSHA 39 (fully validated) | |||||
| Notes | Laboratory prepared XAD-7 sampling tube contains a glass fiber disk to trap aerosol component. OSHA personnel may obtain sampling tubes and instructions from the SLTC. |
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| 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 Method | |
|---|---|
| Sampler/Sampling media | Wipe with GFF (37 mm), Type A/E [AP4003705] |
| Bulk Method |
|---|
| On-Site Screening Techniques | ||||||
|---|---|---|---|---|---|---|
| Device | ||||||
| Model/Type | ||||||
|
Sampling information (see manufacturer instructions) |
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| 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 |
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| PEL-TWA |
0.5 mg/m³ |
REL-TWA |
0.5 mg/m³ |
TLV-TWA |
0.5 mg/m³ (inhalable fraction and vapor)[2013] |
PEL-TWA |
0.5 mg/m³ |
| PEL-STEL | REL-STEL | TLV-STEL |
1 mg/m³ (inhalable fraction and vapor) [2013] |
PEL-STEL | |||
| PEL-C | REL-C | 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 |
2.5 mg/m³ |
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| Carcinogenic classifications: IARC-2B, TLV-A3, EPA-L | Notes: | ||||||
| AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: | |||||||
| Additional Resources and Literature References |
|---|
|
NOAA: CAMEO Chemicals - Pentachlorophenol NIOSH: Pocket Guide to Chemical Hazards - Pentachlorophenol Literature References
|
Last Updated Date : 01/08/2021