Dichloroethyl ether — workplace exposure limit
What is the pel (ppm) for Dichloroethyl ether — workplace exposure limit?
For Dichloroethyl ether, pel (ppm) is (C)15; pel (mg/m³) is (C)90; cas no. is 111-44-4, verified against its source on 2026-08-05.
Dichloroethyl ether | 111-44-4 | (C)15 | (C)90 | X |
— osha.gov, retrieved 2026-08-05
- Substance
- Dichloroethyl ether verified
- CAS No.
- 111-44-4 verified
- PEL (ppm)
- (C)15 verified
- PEL (mg/m³)
- (C)90 verified
- NIOSH REL (ppm)
- TWA 5 per cdc.gov
- NIOSH REL (mg/m³)
- 30 per cdc.gov
- STEL (ppm)
- 10 per dir.ca.gov
- STEL (mg/m³)
- 60 per dir.ca.gov
What cdc.gov says
NIOSH REL Ca TWA 5 ppm (30 mg/m3) ST 10 ppm (60 mg/m3) [skin]
— cdc.gov, retrieved 2026-09-08
Sources disagree
More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from — deciding between them is yours, not ours.
PEL (ppm)
osha.gov says pel (ppm) is (C)15, as of 2026-08-05.
Dichloroethyl ether | 111-44-4 | (C)15 | (C)90 | X |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
dir.ca.gov says pel (ppm) is 5, as of 2026-08-05.
111444 | S | Dichloroethyl ether; bis(2-chloroethyl) ether | 5 | 30 | | 10 | 60
https://www.dir.ca.gov/title8/5155.html
PEL (mg/m³)
osha.gov says pel (mg/m³) is (C)90, as of 2026-08-05.
Dichloroethyl ether | 111-44-4 | (C)15 | (C)90 | X |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
dir.ca.gov says pel (mg/m³) is 30, as of 2026-08-05.
111444 | S | Dichloroethyl ether; bis(2-chloroethyl) ether | 5 | 30 | | 10 | 60
Sources
- osha.govhttps://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0196.html
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html