DICHLOROETHYL ETHER†

Chemical Identification
Chemical Identification
CAS # 111-44-4
Formula

C₄H₈Cl₂O

Synonyms

bis(2-chloroethyl)ether; 2,2'-dichlorodiethyl ether; 2,2'-dichloroethyl ether

Physical Properties
Physical Properties
Physical description Colorless liquid with a chlorinated solvent-like odor.
Boiling point 352°F Molecular weight 143
Freezing point/melting point -58°F Vapor pressure 0.7 mmHg
Flash point 131°F Vapor density 4.93
Specific gravity 1.22 Ionization potential
Lower explosive limit (LEL) 2.7% Upper explosive limit (UEL)
NFPA health rating 3 NFPA fire rating 2
NFPA reactivity rating 1 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.) 0880
Sampling group
Sampler/Sampling media CSC tube (100/50 mg) [SKC 226-01]
Sampling time*
Sampling volume (TWA)*

2-15 L

Sampling flow rate (TWA)*

0.01-1 L/min

Sampling volume (STEL/Peak/C)*
Sampling flow rate (STEL/Peak/C)*
Analytical method instruments GC-FID
Method reference NIOSH 1004 (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
Bulk Method
Bulk Method
On-Site Screening Techniques
On-Site Screening Techniques
Device Infrared spectrophotometer Infrared spectrophotometer
Model/Type Miran 1A & 1B Miran 103
Sampling information
(see manufacturer instructions)
0.09 ppm@9.0 µm 0-25 ppm@8.85 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 REL-TWA

5 ppm (30 mg/m³)

TLV-TWA

5 ppm [1985]

PEL-TWA

5 ppm (30 mg/m³)

PEL-STEL REL-STEL

10 ppm (60 mg/m³)

TLV-STEL

10 ppm [1985]

PEL-STEL

10 ppm (60 mg/m³)

PEL-C

15 ppm (90 mg/m³)

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

100 ppm

Carcinogenic classifications: IARC-3; NIOSH-Ca, TLV-A4 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 - 2,2'-Dichlorodiethyl ether

NIOSH: Pocket Guide to Chemical Hazards - Dichloroethyl ether

Literature References

  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Dichloroethyl ether. 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, (January 1981). 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 : 12/22/2020