Cesium fluoride
SIGMA/20989 - BioUltra, ≥99.0% (F)
Synonym: NSC 84270
CAS Number: 13400-13-0
Empirical Formula (Hill Notation): CsF
Molecular Weight: 151.90
EC Number: 236-487-3
MDL Number: MFCD00010960
Linear Formula: CsF
Product Type: Chemical
| λ | 3 M in H2O |
| anion traces | chloride (Cl-): ≤500 mg/kg |
| sulfate (SO42-): ≤50 mg/kg | |
| assay | ≥99.0% (F) |
| cation traces | Al: ≤10 mg/kg |
| As: ≤0.5 mg/kg | |
| Ba: ≤10 mg/kg | |
| Bi: ≤5 mg/kg | |
| Ca: ≤10 mg/kg | |
| Cd: ≤5 mg/kg | |
| Co: ≤5 mg/kg | |
| Cr: ≤5 mg/kg | |
| Cu: ≤5 mg/kg | |
| Fe: ≤30 mg/kg | |
| K: ≤100 mg/kg | |
| Li: ≤5 mg/kg | |
| Mg: ≤5 mg/kg | |
| Mn: ≤5 mg/kg | |
| Mo: ≤5 mg/kg | |
| Na: ≤50 mg/kg | |
| Ni: ≤5 mg/kg | |
| Pb: ≤5 mg/kg | |
| Sr: ≤5 mg/kg | |
| Zn: ≤5 mg/kg | |
| density | 4.115 g/mL at 25 °C (lit.) |
| impurities | insoluble matter, passes filter test |
| ≤0.005% total nitrogen (N) | |
| InChI | 1S/Cs.FH/h;1H/q+1;/p-1 |
| InChI key | XJHCXCQVJFPJIK-UHFFFAOYSA |
| loss | ≤0.5% loss on drying, 110 °C |
| mp | 682 °C (lit.) |
| pH | 6.5-7.5 (25 °C, 3 M in H2O) |
| product line | BioUltra |
| Quality Level | 100  |
| SMILES string | [F-].[Cs+] |
| solubility | H2O: 3 M at 20 °C, clear, colorless |
| UV absorption | λ: 260 nm Amax: 0.05 |
| λ: 280 nm Amax: 0.05 |
| Application: | Reactant for: • Preparation of building blocks for synthesis of fluoroallylic compounds • Synthesis of alcohols via hydrolysis of alkyl silyl ethers at neutral pH in buffered mixed organic-aqueous solutions • Nucleophilic fluorination of alkynyliodonium salts to form fluorovinylic compounds • Nucleophilic aromatic substitution (SNAr) reactions |
| Application: | Used in the successful synthesis of a single-crystal Dion-Jacobson phase, CsLaTa2O7, that has applications in photocatalysis and superconductivity. |
| Symbol |    GHS05,GHS06,GHS08 |
| Signal word | Danger |
| Hazard statements | H301 + H311 + H331 - H315 - H318 - H361f |
| Precautionary statements | P201 - P280 - P301 + P310 + P330 - P302 + P352 + P312 - P304 + P340 + P311 - P305 + P351 + P338 + P310 |
| Hazard Codes | T |
| Risk Statements | 23/24/25-32-38-41-62 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 3288 6.1 / PGIII |
| WGK Germany | WGK 2 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Supplemental Hazard Statements | EUH032 |
| Purity | ≥99.0% (F) |
| mp | 682 °C (lit.) |
| Density | 4.115 g/mL at 25 °C (lit.) |
| UNSPSC | 12352302 |