---
type: threshold
id: hydrogen-fluoride-as-f
asset: workplace-exposure-limits
title: "Hydrogen fluoride (as F) — 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: "Hydrogen fluoride (as F) | 7664-39-3 | - | ( 2 ) | - |"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Hydrogen fluoride (as F)"
cas_number: "7664-39-3"
verified: true
---
**Substance:** Hydrogen fluoride (as F)

**CAS No.:** 7664-39-3

> Hydrogen fluoride (as F) | 7664-39-3 | - | ( 2 ) | - |

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