Description
Hydrogen Fluride; HF
| CAS | 7664-39-3 |
| Molecular Formula | HF |
| Molecular Weight | 20.01 |
| Shelf Life | 60 Months |
| Physical Properties | |||
| Physical State at 20 °C | Liquid | Colour | Clear Colorless |
| Odour | Acrid odor | pH Value | 1 |
| Melting Point/ Freezing Point [°C] | < -36°C | Boiling Point [°C] | 108°C |
| Vapour Pressure [20°C] | 25 mm Hg @ 20°C | Vapour Pressure Mm/Hg | 25 mm Hg @ 200C |
| Vapour Density | 1.97 | Density [g/cm3] | 1.15 -1.18 |
| Solubility in Water [% weight] | Infinitely soluble | ||
| Specifications | |||
| Appearance | A clear colorless liquid | Assay (Alkalimetric) | Min 48% |
| Residue On Ignition | Max 0.0001% | Fluorosilicic Acid (H2Sif6) | Max 0.001% |
| Heavy Metal (As Pb) | Max 0.00005% | Copper (Cu) | Max 0.00001% |
| Iron (Fe) | Max 0.00001% | Potassium (K) | Max 0.00001% |
| Sodium (Na) | Max 0.00001% | Chloride (Cl) | Max 0.00001% |
| Phosphate (Po4) | Max 0.00001% | Sulphite (As So3) | Max 0.00001% |
| Sulphate (So4) | Max 0.00001% | ||
| Dangerous Goods Information | |||
| UN Number | 1790 | DG Class | 8,6.1 |
| Safety Information & Hazard Symbols | |
| Symbol | GHS05, GHS06 |
| Signal Word | Danger |
| Hazard Statement | H300-H310-H314-H330 |
| Precaution Statement | P260-P264-P280-P284-P301 + P310-P302 + P350 |















