---
type: threshold
id: isopropyl-ether-diisopropyl-ether
asset: workplace-exposure-limits
title: "Isopropyl ether; diisopropyl ether — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "108203 | | Isopropyl ether; diisopropyl ether | 250 | 1,050"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Isopropyl ether; diisopropyl ether"
pel_ppm: "250"
pel_mgm3: "1,050"
verified: true
---
**Substance:** Isopropyl ether; diisopropyl ether

**PEL (ppm):** 250

**PEL (mg/m³):** 1,050

> 108203 | | Isopropyl ether; diisopropyl ether | 250 | 1,050

Source: <https://www.dir.ca.gov/title8/5155.html>