CHLORINATED DIPHENYL OXIDE†

Chemical Identification
Chemical Identification
CAS # 6973-37-1; 31242-93-0
Formula

C₁₂H₄Cl₆O

Synonyms

Synonyms depend on the degree of chlorination of diphenyl oxide [(C₆H₅)₂O], ranging from monochlorodiphenyl oxide [(C₆H₄Cl)O(C₆H₅)] to decachlorodiphenyl

Physical Properties
Physical Properties
Physical description The compounds are generally waxy solids or liquids, but appearance, odor and other properties vary.
Boiling point Molecular weight 376.86
Freezing point/melting point Vapor pressure depends upon the specific compound
Flash point Vapor density
Specific gravity Ionization potential
Lower explosive limit (LEL) Upper explosive limit (UEL)
NFPA health rating NFPA fire rating
NFPA reactivity rating 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.) 0613
Sampling group
Sampler/Sampling media Pre-assembled cassette with mixed cellulose ester filter (MCEF) 0.8 micron (37 mm) [MAWP037A0]
Sampling time*
Sampling volume (TWA)*

200 L

Sampling flow rate (TWA)*

1.5 L/min

Sampling volume (STEL/Peak/C)*
Sampling flow rate (STEL/Peak/C)*
Analytical method instruments GC-ECD
Method reference OSHA modified NIOSH 5025
Notes

Remove filter and backup pad from cassette and place in scintillation vial within one hour after sampling.

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
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

0.5 mg/m³

TLV-TWA

0.5 mg/m³ [1979]

PEL-TWA

0.5 mg/m³

PEL-STEL REL-STEL TLV-STEL PEL-STEL
PEL-C REL-C TLV-C PEL-C
Skin notation

N

Skin notation

N

Skin notation

N

Skin notation

N

Notes:

See 29 CFR 1910.1000 Table Z-1.

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

5 mg/m³

Carcinogenic classifications: Not listed Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
Additional Resources and Literature References
Additional Resources and Literature References

NOAA: CAMEO Chemicals - Chlorinated diphenyl oxide

NIOSH: Pocket Guide to Chemical Hazards - Chlorinated diphenyl oxide

Literature References

  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - o-Chlorinated diphenyl oxide. See annual publication for most recent information.

Last Updated Date : 01/28/2021