# Tetryl (2,4,6-Trinitrophenylmethylnitramine) — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side

For Tetryl (2,4,6-Trinitrophenylmethylnitramine), cas no. is 479-45-8; pel (mg/m³) is 1.5, verified against its source on 2026-08-05.

- **Substance:** Tetryl (2,4,6-Trinitrophenylmethylnitramine)
- **CAS No.:** 479-45-8
- **PEL (mg/m³):** 1.5

## What the source says

> Tetryl (2,4,6-Trinitrophenylmethylnitramine) | 479-45-8 | - | 1.5 | 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/).
