1. OSHA Occupational Chemical Database
  2. CHLORODIPHENYL, 42% CHLORINE (PCB)
Label abbreviations descriptions

CHLORODIPHENYL, 42% CHLORINE (PCB)†

Chemical Identification
Chemical Identification
CAS # 53469-21-9
Formula

C₆H₄ClC₆H₃Cl₂ (approx)
Synonyms

Aroclor1242; PCB; polychlorinated biphenyl
Physical Properties
Physical Properties
Physical description Colorless to light-colored, viscous liquid with a mild, hydrocarbon odor.
Boiling point 617-691°F Molecular weight 258 (approx)
Freezing point/melting point -2°F Vapor pressure 0.001 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.) 0630
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 PV2089 (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

1 mg/m³

 REL-TWA

0.001 mg/m³

 TLV-TWA

1 mg/m³ [1979]

 PEL-TWA
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 (42% chlorine)

Literature References

  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Chlorodiphenyl (42% chlorine). See annual publication for most recent information.
  • Occupational Health Guidelines for Chemical Hazards. US Department of Health and Human Services (DHHS), National Institute for Occupational Safety and Health (NIOSH) Publication No. 81-123, (1981, January). Provides a table of contents of guidelines for many hazardous chemicals. The files provide technical chemical information, including chemical and physical properties, health effects, exposure limits, and recommendations for medical monitoring, personal protective equipment (PPE), and control procedures.

Last Updated Date : 12/21/2020