---
type: threshold
id: glycidol
asset: workplace-exposure-limits
title: "Glycidol — 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: "Glycidol | 556-52-5 | 50 | 150 | - |"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Glycidol"
cas_number: "556-52-5"
pel_ppm: "50"
pel_mgm3: "150"
verified: true
---
**Substance:** Glycidol

**CAS No.:** 556-52-5

**PEL (ppm):** 50

**PEL (mg/m³):** 150

> Glycidol | 556-52-5 | 50 | 150 | - |

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