---
type: threshold
id: ethyl-formate
asset: workplace-exposure-limits
title: "Ethyl formate — 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: "Ethyl formate | 109-94-4 | 100 | 300 | - |"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Ethyl formate"
cas_number: "109-94-4"
pel_ppm: "100"
pel_mgm3: "300"
verified: true
---
**Substance:** Ethyl formate

**CAS No.:** 109-94-4

**PEL (ppm):** 100

**PEL (mg/m³):** 300

> Ethyl formate | 109-94-4 | 100 | 300 | - |

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