---
type: threshold
id: iodine
asset: workplace-exposure-limits
title: "Iodine — 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: "Iodine | 7553-56-2 | (C)0.1 | (C)1 | - |"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Iodine"
cas_number: "7553-56-2"
pel_ppm: "(C)0.1"
pel_mgm3: "(C)1"
verified: true
---
**Substance:** Iodine

**CAS No.:** 7553-56-2

**PEL (ppm):** (C)0.1

**PEL (mg/m³):** (C)1

> Iodine | 7553-56-2 | (C)0.1 | (C)1 | - |

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