# Monomethyl aniline — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side

For Monomethyl aniline, cas no. is 100-61-8; pel (ppm) is 2; pel (mg/m³) is 9, verified against its source on 2026-08-05.

- **Substance:** Monomethyl aniline
- **CAS No.:** 100-61-8
- **PEL (ppm):** 2
- **PEL (mg/m³):** 9

## What the source says

> Monomethyl aniline | 100-61-8 | 2 | 9 | X |

## Source

- https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1

Last verified: 2026-08-05. Review by: 2027-08-05.
Part of [US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side](https://referencesource.org/workplace-exposure-limits/).