1,1,2-TRICHLOROETHANE†

Chemical Identification
Chemical Identification
CAS # 79-00-5
Formula

C₂H₃Cl₃

Synonyms

ethane trichloride; β-trichloroethane; vinyl trichloride

Physical Properties
Physical Properties
Physical description Colorless liquid with a sweet, chloroform-like odor.
Boiling point 237°F Molecular weight 133.4
Freezing point/melting point -34°F Vapor pressure 19 mmHg
Flash point Vapor density 4.63
Specific gravity 1.44 Ionization potential 11.00 eV
Lower explosive limit (LEL) 6% Upper explosive limit (UEL) 15.5%
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.) 2495
Sampling group
Sampler/Sampling media CSC tube (100/50 mg) [SKC 226-01]
Sampling time*
Sampling volume (TWA)*

10 L

Sampling flow rate (TWA)*

0.2 L/min

Sampling volume (STEL/Peak/C)*
Sampling flow rate (STEL/Peak/C)*
Analytical method instruments GC-FID
Method reference OSHA 11 (fully 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
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

10 ppm (45 mg/m³)

REL-TWA

10 ppm (45 mg/m³)

TLV-TWA

10 ppm [1992]

PEL-TWA

10 ppm (45 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 and Appendix C, Supplementary Exposure Limits.

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

100 ppm

Carcinogenic classifications: IARC-3, NIOSH-Ca, 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 - 1,1,2-Trichloroethane

NIOSH: Pocket Guide to Chemical Hazards - 1,1,2-Trichloroethane

Literature References

  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - 1,1,2-Trichloroethane. See annual publication for most recent information.
  • EPA Air Toxics Website: 1,1,2-Trichloroethane. U.S. Environmental Protection Agency Technology Transfer Network.
  • Mazzullo, M., Colacci, A., Grilli, S., Prodi, G. and Arfellini, G.: 1,1,2-Trichloroethane: evidence of genotoxicity from short-term tests. Jpn. J. Cancer Res. 77(6): 532-539, 1986.
  • Mitoma, C., Steeger, T., Jackson, S.E., Wheeler, K.P., Rogers, J.H. and Milman, H.A.: Metabolic disposition study of chlorinated hydrocarbons in rats and mice. Drug Chem. Toxicol. 8(3): 183-194, 1985.
  • No authors listed: 1,1,2-Trichloroethane. IARC Monogr. Eval. Carcinog. Risks Hum. 52: 337-359, 1991.
  • Pohanish, R.P. (editor): 1,1,2-Trichloroethane. In, Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 2. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 2248-2250.

Last Updated Date : 12/14/2020