# Allyl alcohol — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side

For Allyl alcohol, cas no. is 107-18-6; pel (ppm) is 2; pel (mg/m³) is 5, verified against its source on 2026-08-05.

- **Substance:** Allyl alcohol
- **CAS No.:** 107-18-6
- **PEL (ppm):** 2
- **PEL (mg/m³):** 5

## What the source says

> Allyl alcohol | 107-18-6 | 2 | 5 | X |

## Sources disagree

More than one authority states this, and they do not state the same
thing. Both are reproduced with the source each came from.

### PEL (ppm)

osha.gov says pel (ppm) is **2**, as of 2026-08-05.

> Allyl alcohol | 107-18-6 | 2 | 5 | X |

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

dir.ca.gov says pel (ppm) is **0.5**, as of 2026-08-05.

> 107186 | S | Allyl alcohol | 0.5 | 1.25 | | 4 | 10

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


### PEL (mg/m³)

osha.gov says pel (mg/m³) is **5**, as of 2026-08-05.

> Allyl alcohol | 107-18-6 | 2 | 5 | X |

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

dir.ca.gov says pel (mg/m³) is **1.25**, as of 2026-08-05.

> 107186 | S | Allyl alcohol | 0.5 | 1.25 | | 4 | 10

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


## Source

- https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
- https://www.dir.ca.gov/title8/5155.html

Last verified: 2026-08-05. Review by: 2027-08-05.
Part of [US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side](https://referencesource.org/workplace-exposure-limits/).