# Pentyl acetate — CAS 628637; 626380; 123922; 625161; 620111; 624419 — workplace exposure limit

For Pentyl acetate, pel (ppm) is 50; pel (mg/m³) is 266; stel (ppm) is 100; stel (mg/m³) is 532; cas no. is 628637; 626380; 123922; 625161; 620111; 624419, verified against its source on 2026-09-29.

- **Substance:** Pentyl acetate _(verified: appears in the quote below)_
- **CAS No.:** 628637; 626380; 123922; 625161; 620111; 624419 _(verified: appears in the quote below)_
- **PEL (ppm):** 50 _(verified: appears in the quote below)_
- **PEL (mg/m³):** 266 _(verified: appears in the quote below)_
- **STEL (ppm):** 100 _(verified: appears in the quote below)_
- **STEL (mg/m³):** 532 _(verified: appears in the quote below)_

## What the source says

> 628637; 626380; 123922; 625161; 620111; 624419 | | Pentyl acetate | 50 | 266 | | 100 | 532

## Source

- https://www.dir.ca.gov/title8/5155.html

Last verified: 2026-09-29. Review by: 2027-09-29.
Part of [US workplace chemical exposure limits: federal OSHA, Cal/OSHA and NIOSH, side by side](https://referencesource.org/workplace-exposure-limits/).