# bis(2-(Dimethylamino)ethyl)ether — workplace exposure limit For bis(2-(Dimethylamino)ethyl)ether, niosh rel, as stated is See Appendix C (NIAX® Catalyst ESN); cas no. is 3033-62-3, verified against its source on 2026-09-08. - **Substance:** bis(2-(Dimethylamino)ethyl)ether _(verified: appears in its own passage below)_ - **CAS No.:** 3033-62-3 _(verified: appears in its own passage below)_ - **NIOSH REL, as stated:** See Appendix C (NIAX® Catalyst ESN) _(verified: appears in the quote below)_ - **PEL (ppm):** 0.05 _(per dir.ca.gov, not stated by the source above)_ - **PEL (mg/m³):** 0.328 _(per dir.ca.gov, not stated by the source above)_ - **STEL (ppm):** 0.15 _(per dir.ca.gov, not stated by the source above)_ - **STEL (mg/m³):** 0.983 _(per dir.ca.gov, not stated by the source above)_ ## What the source says > NIOSH REL See Appendix C (NIAX® Catalyst ESN) ## Where each value comes from This source states these in separate places, so each value is shown with the passage that states it. ### Substance > CDC - NIOSH Pocket Guide to Chemical Hazards - bis(2-(Dimethylamino)ethyl)ether ### CAS No. > CAS No. 3033-62-3 ## What dir.ca.gov says > 3033623 | S | Bis (Dimethylaminoethyl) ether (DMAEE) | 0.05 | 0.328 | | 0.15 | 0.983 Source: https://www.dir.ca.gov/title8/5155.html ## Source - https://www.cdc.gov/niosh/npg/npgd0221.html - https://www.dir.ca.gov/title8/5155.html Last verified: 2026-09-08. Review by: 2027-08-05. Part of [US workplace chemical exposure limits: federal OSHA, Cal/OSHA and NIOSH, side by side](https://referencesource.org/workplace-exposure-limits/).