1. OSHA Occupational Chemical Database
  2. HEXACHLOROETHANE
Label abbreviations descriptions

HEXACHLOROETHANE†

Chemical Identification
Chemical Identification
CAS # 67-72-1
Formula

C₂Cl₆
Synonyms

carbon hexachloride; ethane hexachloride; perchloroethane
Physical Properties
Physical Properties
Physical description Colorless crystals with a camphor-like odor.
Boiling point 368.2°F (sublimes) Molecular weight 236.7
Freezing point/melting point 368.2°F (sublimes) Vapor pressure 0.2 mmHg
Flash point Vapor density 8.16
Specific gravity 2.09 Ionization potential 11.22 eV
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.) 1372
Sampling group
Sampler/Sampling media CSC tube (100/50 mg) [SKC 226-01]
Sampling time*
Sampling volume (TWA)*

10 L
Sampling flow rate (TWA)*

0.01-0.2 L/min
Sampling volume (STEL/Peak/C)*
 

 
Sampling flow rate (STEL/Peak/C)*
Analytical method instruments GC-FID
Method reference NIOSH 1003 (partially validated)
Notes
 

 
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
 

Wipe with charcoal pad, seal in glass vial for shipment. [3M 3500]
Bulk Method
Bulk Method
 

 
On-Site Screening Techniques
On-Site Screening Techniques
Device Infrared spectrophotometer
Model/Type Miran 1A & 1B
Sampling information
(see manufacturer instructions) 		0.09 ppm@12.8 µm
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 ppm (10 mg/m³)

 REL-TWA
 

1 ppm (10 mg/m³)

 TLV-TWA
 

1 ppm [1990]

 PEL-TWA
 

1 ppm (10 mg/m³)
PEL-STEL
 

 

 REL-STEL
 

 

 TLV-STEL
 

 

 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:
 

CARCINOGEN (Ca): REDUCE EXPOSURE TO LOWEST FEASIBLE CONCENTRATION. See Appendix A, NIOSH Potential Occupational Carcinogens.

 Notes:
 

 

 Notes:
 

 
Health factors:  See NIH-NLM PubChem. IDLH
 

300 ppm
Carcinogenic classifications: NTP-R, NIOSH-Ca, IARC-2B, TLV-A3, EPA-C 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 - Hexachloroethane

NIOSH: Pocket Guide to Chemical Hazards - Hexachloroethane

Literature References

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

Last Updated Date : 01/28/2021