---
type: threshold
id: methyl-methacrylate-methyl-2-methyl-2-propenoate
asset: workplace-exposure-limits
title: "Methyl methacrylate; methyl 2-methyl-2-propenoate — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "80626 | | Methyl methacrylate; methyl 2-methyl-2-propenoate | 50 | 205 | | 100 | 410"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Methyl methacrylate; methyl 2-methyl-2-propenoate"
pel_ppm: "50"
pel_mgm3: "205"
stel_ppm: "100"
stel_mgm3: "410"
verified: true
---
**Substance:** Methyl methacrylate; methyl 2-methyl-2-propenoate

**PEL (ppm):** 50

**PEL (mg/m³):** 205

**STEL (ppm):** 100

**STEL (mg/m³):** 410

> 80626 | | Methyl methacrylate; methyl 2-methyl-2-propenoate | 50 | 205 | | 100 | 410

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