Label abbreviations descriptions

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
Sampling flow rate (TWA)*

0.2 L/min
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.
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.

Bulk/Wipe Method
Wipe 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)

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
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
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:

See 29 CFR 1910.1000 Table Z-1.

 Notes: Notes:

BEI®

 Notes:
Health factors:  See NIH-NLM PubChem. IDLH

2.5 mg/m³
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

Last Updated Date : 01/08/2021