Hydrogen fluoride
hydrogen fluoride, anhydrous hydrogen fluoride, aqueous hydrogen fluoride, hydrofluoric acid, HF-A, rubigine, HFA
How to detect Hydrogen fluoride
Formula: HF | CAS: 7664-39-3
Synonyms: hydrogen fluoride, anhydrous hydrogen fluoride, aqueous hydrogen fluoride, hydrofluoric acid, HF-A, rubigine, HFA
Specification
| Specification | Value/Information | 
|---|---|
| Formula | HF | 
| CAS no. | 7664-39-3 | 
| Gas Response Factor, 11.7 eV | NA | 
| Gas Response Factor, 10.6 eV | ZR | 
| Gas Response Factor, 10.0 eV | ZR | 
| ppm per mg/m⁻³, (20 °C, 1 bar) | 1.202 | 
| Molecular Weight, g/mole | 20.0 | 
| Melting point, °C | -84 | 
| Boiling point, °C | 20 | 
| Flash point, °C | -37.8 | 
| Lower Explosive Limit, % | - | 
| Density, g.cm⁻³ | 1.15 | 
| Specification | Value/Information | 
|---|---|
| Ionisation Energy, eV | 15.98 | 
| EH40 TWA, ppm | 1.8 | 
| EH40 TWA, mg.m⁻³ | 1.5 | 
| EH40 STEL, ppm | 3 | 
| EH40 STEL, mg.m⁻³ | 2.5 | 
| NIOSH TWA REL, ppm | 3 | 
| NIOSH TWA REL, mg.m⁻³ | 2.5 | 
| NIOSH ceiling, ppm | 6 | 
| NIOSH ceiling, mg.m⁻³ | 5 | 
| NIOSH IDLH, ppm | 30 | 
| OSHA TWA PEL, ppm | 3 | 
| OSHA TWA PEL, mg.m⁻³ | 2.5 | 
 
 
 
 
 
 
 
 
 
 
 
 
 
