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

For Tetramethyl succinonitrile, cas no. is 3333-52-6; pel (ppm) is 0.5; pel (mg/m³) is 3, verified against its source on 2026-08-05.

- **Substance:** Tetramethyl succinonitrile
- **CAS No.:** 3333-52-6
- **PEL (ppm):** 0.5
- **PEL (mg/m³):** 3

## What the source says

> Tetramethyl succinonitrile | 3333-52-6 | 0.5 | 3 | 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/).