CHLORODIPHENYL, 54% CHLORINE (PCB) | Occupational Safety and Health Administration

CHLORODIPHENYL, 54% CHLORINE (PCB)†

Chemical Identification
CAS #	11097-69-1
Formula	C₆H₃Cl₂C₆H₂Cl₃ (approx)
Synonyms	Aroclor1254; PCB; polychlorinated biphenyl

Physical Properties
Physical description	Colorless to pale-yellow, viscous liquid or solid (below 50°F) with a mild, hydrocarbon odor.
Boiling point	689-734°F	Molecular weight	326 (approx)
Freezing point/melting point	50°F	Vapor pressure	0.00006 mmHg
Flash point	>286°F	Vapor density
Specific gravity	1.3-1.8	Ionization potential
Lower explosive limit (LEL)		Upper explosive limit (UEL)
NFPA health rating	2	NFPA fire rating	1
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.)	0631
Sampling group
Sampler/Sampling media	OSHA versatile sampler (OVS-2) - 13 mm XAD-2 tube (270/140 mg) with GFF enclosed [SKC 226-30-16]
Sampling time^*	60 min
Sampling volume (TWA)^*	60 L
Sampling flow rate (TWA)^*	1 L/min
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments	GC-ECD
Method reference	OSHA PV2088 (partially validated)
Notes	Collect a sample of the bulk substance and send to the lab in a separate mailing container at the time the air samples are submitted. Indicate on the sample sheet that a bulk sample has been submitted.
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
Bulk Method	Limit the amount of bulk submitted to 1 g or 1 mL.

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	0.001 mg/m³	TLV-TWA		PEL-TWA	0.5 mg/m³
PEL-STEL		REL-STEL		TLV-STEL		PEL-STEL
PEL-C		REL-C		TLV-C		PEL-C
Skin notation	Y	Skin notation	N	Skin notation	Y	Skin notation	N
Notes: See 29 CFR 1910.1000 Table Z-1.		Notes: CARCINOGEN (Ca): REDUCE EXPOSURE TO LOWEST FEASIBLE CONCENTRATION. See Appendix A, NIOSH Potential Occupational Carcinogens.		Notes: Visit the ACGIH TLV site for specific data		Notes:
Health factors: See NIH-NLM PubChem.		IDLH	5 mg/m³
Carcinogenic classifications: NIOSH-Ca, TLV-A3		Notes: Ca
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

NOAA: CAMEO Chemicals - Polychlorinated biphenyls (PCB)

NIOSH: Pocket Guide to Chemical Hazards - Chlorodiphenyl (54% chlorine)

Literature References

ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Chlorodiphenyl (54% chlorine). See annual publication for most recent information.
U.S. EPA Integrated Risk Information System: Polychlorinated Biphenyls (PCBs) (CASRN 1336-36-3).
Borlak, J., Hock, A., Hansen, T. and Richter, E.: DNA adducts in cultures of polychlorinated biphenyl-treated human hepatocytes. Toxicol. Appl. Pharmacol. 188(2): 81-91, 2003.
Mes, J., Arnold, D.L. and Bryce, F.: The elimination and estimated half-lives of specific polychlorinated biphenyl congeners from the blood of female monkeys after discontinuation of daily dosing with Aroclor 1254. Chemosphere 30(4): 789-800, 1995.
No Author: Polychlorinated Biphenyls CAS No. 1336-36-3 . Report on Carcinogens (latest edition); U.S. Department of Health and Human Services, Public Health Service, National Toxicology Program.
Pohanish, R.P. (editor): Polychlorinated Biphenyls (PCBs). In, Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 2. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 1902-1905.
Redgrave, T.G., Wallace, P., Jandacek, R.J. and Tso, P.: Treatment with a dietary fat substitute decreased Arochlor 1254 contamination in an obese diabetic male. J. Nutr. Biochem. 16(6): 383-384, 2005.
Reymann, S. and Borlak, J.: Transcriptome profiling of human hepatocytes treated with Aroclor 1254 reveals transcription factor regulatory networks and clusters of regulated genes. BMC Genomics 7: 217, 2006 (18 pp.).

Last Updated Date : 05/01/2024

CHLORODIPHENYL, 54% CHLORINE (PCB)†

Chemical Identification

Physical Properties

Monitoring Methods Used by OSHA

Bulk/Wipe Method

On-Site Screening Techniques

Exposure Limits

Additional Resources and Literature References