Label abbreviations descriptions

1,1,2-TRICHLOROETHANE†

Chemical Identification
CAS # 79-00-5
Formula

C₂H₃Cl₃
Synonyms

ethane trichloride; β-trichloroethane; vinyl trichloride

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
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.

Bulk/Wipe Method
Wipe Sampler/Sampling media

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

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

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

Last Updated Date : 12/14/2020