CHLORODIPHENYL, 54% CHLORINE (PCB)†

Chemical Identification
Chemical Identification
CAS # 11097-69-1
Formula

C₆H₃Cl₂C₆H₂Cl₃ (approx)

Synonyms

Aroclor1254; PCB; polychlorinated biphenyl

Physical Properties
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
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.

Wipe Method
Wipe Method
Sampler/Sampling media
Bulk Method
Bulk Method

Limit the amount of bulk submitted to 1 g or 1 mL.

On-Site Screening Techniques
On-Site Screening Techniques
Device
Model/Type
Sampling information
(see manufacturer instructions)
Exposure Limits
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

0.05 mg/m³ [1990]

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: 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
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 : 12/21/2020