Potassium hydrogen difluoride
SIGALD/60344 - purum p.a., ≥99.0% (F)
CAS Number: 7789-29-9
Empirical Formula (Hill Notation): HF2K
Molecular Weight: 78.10
EC Number: 232-156-2
MDL Number: MFCD00011403
Linear Formula: KHF2
Product Type: Chemical
anion traces | chloride (Cl-): ≤100 mg/kg |
sulfate (SO42-): ≤100 mg/kg | |
assay | ≥99.0% (F) |
cation traces | Ca: ≤50 mg/kg |
Cd: ≤50 mg/kg | |
Co: ≤50 mg/kg | |
Cu: ≤50 mg/kg | |
Fe: ≤50 mg/kg | |
Na: ≤5000 mg/kg | |
Ni: ≤50 mg/kg | |
Pb: ≤50 mg/kg | |
Zn: ≤50 mg/kg | |
form | crystals or chunks |
fine crystals | |
grade | purum p.a. |
InChI | 1S/2FH.K/h2*1H;/q;;+1/p-1 |
InChI key | VBKNTGMWIPUCRF-UHFFFAOYSA |
Quality Level | 200 |
SMILES string | F.[F-].[K+] |
Application: | Potassium hydrogen difluoride may be employed as reagent for the regioselective transformation of epoxides to the 11-fluoro-10-hydroxy compound. |
General description: | Potassium hydrogen difluoride (KHF2) is the potassium salt. Its crystal structure ressembles cesium fluoride. |
Other Notes: | Fluorinating agent; preparation of 2-fluoro-sugars; Monofluorination of inorganic phosphate |
Symbol | GHS05,GHS06 |
Signal word | Danger |
Hazard statements | H301 - H314 |
Precautionary statements | P260 - P280 - P301 + P310 + P330 - P301 + P330 + P331 - P303 + P361 + P353 - P305 + P351 + P338 + P310 |
Hazard Codes | T,C |
Risk Statements | 25-34 |
Safety Statements | 22-26-37-45 |
RIDADR | UN 1811 8(6.1) / PGII |
WGK Germany | WGK 1 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Purity | ≥99.0% (F) |
UNSPSC | 12352300 |