Potassium fluoride dihydrate
- CAS NO.：13455-21-5
- Empirical Formula: FH2KO
- Molecular Weight: 76.11
- MDL number: MFCD00149929
- EINECS: 627-039-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 22:38:57
What is Potassium fluoride dihydrate?
Chemical properties
white crystals or crystalline powder
The Uses of Potassium fluoride dihydrate
Potassium fluoride dihydrate has been used as a stationary phase in gas chromatography.
The Uses of Potassium fluoride dihydrate
Potassium fluoride dihydrate is used as a stationary phase in gas chromatography. It is also used for the conversion of chlorocarbons into fluorocarbons through Finkelstein reaction. Further, it is used as a fluxing agent of silver brazing and metallurgical processing. It serves as an analytical reagent, complexing agent and masking agent.
Properties of Potassium fluoride dihydrate
| Melting point: | 41 °C(lit.) |
| Boiling point: | 1505°C |
| Density | 2,454 g/cm3 |
| refractive index | 1.352 |
| storage temp. | Refrigerator (+4°C) |
| form | Liquid |
| Specific Gravity | 2.454 |
| color | Colorless |
| Water Solubility | SOLUBLE |
| Sensitive | Hygroscopic |
| Merck | 14,7632 |
| Exposure limits | ACGIH: TWA 2.5 mg/m3 NIOSH: IDLH 250 mg/m3 |
| Stability: | hygroscopic |
| CAS DataBase Reference | 13455-21-5(CAS DataBase Reference) |
Safety information for Potassium fluoride dihydrate
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H301:Acute toxicity,oral H311:Acute toxicity,dermal H331:Acute toxicity,inhalation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P302+P352:IF ON SKIN: wash with plenty of soap and water. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. |
Computed Descriptors for Potassium fluoride dihydrate
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