PENTACHLOROPHENOL†
Chemical Identification | |
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CAS # | 87-86-5 |
Formula |
C₆HCl₅O |
Synonyms |
PCP; penta; 2,3,4,5,6-pentachlorophenol |
Physical Properties | |||
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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 | ||||||
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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 | |
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Sampler/Sampling media | Wipe with GFF (37 mm), Type A/E [AP4003705] |
Bulk Method |
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On-Site Screening Techniques | ||||||
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Device | ||||||
Model/Type | ||||||
Sampling information (see manufacturer instructions) |
Exposure Limits | |||||||
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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 |
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NOAA: CAMEO Chemicals - Pentachlorophenol NIOSH: Pocket Guide to Chemical Hazards - Pentachlorophenol Literature References
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Last Updated Date : 01/08/2021