m-Xylene-a,a′-diamine — CAS 1477550 — workplace exposure limit
What is the pel (mg/m³) for m-Xylene-a,a′-diamine — CAS 1477550 — workplace exposure limit?
For m-Xylene-a,a′-diamine, pel (mg/m³) is 0.1; ceiling notation is the values given in the PEL columns are ceiling values; cas no. is 1477550, verified against its source on 2026-09-29.
1477550 | S | m-Xylene-a,a′-diamine | -- | 0.1 | C
— dir.ca.gov, retrieved 2026-09-28
- Substance
- m-Xylene-a,a′-diamine verified
- CAS No.
- 1477550 verified
- PEL (mg/m³)
- 0.1 verified
- Ceiling notation
- the values given in the PEL columns are ceiling values verified
- NIOSH REL (mg/m³)
- C 0.1 per cdc.gov
Where each value comes from
The value above is stated away from the sentence quoted with the answer, so the passage that states it is shown here too.
Ceiling notation
A “C” notation in this column means the values given in the PEL columns are ceiling values.
— all from dir.ca.gov, retrieved 2026-09-28
What cdc.gov says
NIOSH REL C 0.1 mg/m3 [skin]
— cdc.gov, retrieved 2026-09-08
Substance
CDC - NIOSH Pocket Guide to Chemical Hazards - m-Xylene-alpha,alpha'-diamine
CAS No.
CAS No. 1477-55-0
Sources
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0671.html