---
type: threshold
id: isopropyl-ether
asset: workplace-exposure-limits
title: "Isopropyl ether — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
source_quote: "Isopropyl ether | 108-20-3 | 500 | 2100 | - |"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Isopropyl ether"
cas_number: "108-20-3"
pel_ppm: "500"
pel_mgm3: "2100"
verified: true
---
**Substance:** Isopropyl ether

**CAS No.:** 108-20-3

**PEL (ppm):** 500

**PEL (mg/m³):** 2100

> Isopropyl ether | 108-20-3 | 500 | 2100 | - |

Source: <https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1>