# Phosgene (Carbonyl chloride) — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side

For Phosgene (Carbonyl chloride), cas no. is 75-44-5; pel (ppm) is 0.1; pel (mg/m³) is 0.4, verified against its source on 2026-08-05.

- **Substance:** Phosgene (Carbonyl chloride)
- **CAS No.:** 75-44-5
- **PEL (ppm):** 0.1
- **PEL (mg/m³):** 0.4

## What the source says

> Phosgene (Carbonyl chloride) | 75-44-5 | 0.1 | 0.4 | - |

## 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/).