---
type: threshold
id: methylal-dimethoxymethane
asset: workplace-exposure-limits
title: "Methylal; dimethoxymethane — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "109875 | | Methylal; dimethoxymethane | 1,000 | 3,100"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Methylal; dimethoxymethane"
pel_ppm: "1,000"
pel_mgm3: "3,100"
verified: true
---
**Substance:** Methylal; dimethoxymethane

**PEL (ppm):** 1,000

**PEL (mg/m³):** 3,100

> 109875 | | Methylal; dimethoxymethane | 1,000 | 3,100

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