---
type: threshold
id: crotonaldehyde-beta-methylacrolein
asset: workplace-exposure-limits
title: "Crotonaldehyde; beta-methylacrolein — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "123739 | S | Crotonaldehyde; beta-methylacrolein | | | 0.3"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Crotonaldehyde; beta-methylacrolein"
ceiling: "0.3"
verified: true
---
**Substance:** Crotonaldehyde; beta-methylacrolein

**Ceiling:** 0.3

> 123739 | S | Crotonaldehyde; beta-methylacrolein | | | 0.3

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