# Isobutyl acetate; 2-methylpropyl acetate — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side

For Isobutyl acetate; 2-methylpropyl acetate, pel (ppm) is 150; pel (mg/m³) is 700, verified against its source on 2026-08-05.

- **Substance:** Isobutyl acetate; 2-methylpropyl acetate
- **PEL (ppm):** 150
- **PEL (mg/m³):** 700

## What the source says

> 110190 | | Isobutyl acetate; 2-methylpropyl acetate | 150 | 700

## Source

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

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/).