Cesium chloride
SIGMA/20966 - BioUltra, for molecular biology, ≥99.5% (AT)
Synonym: CsCl; cesium monochloride
CAS Number: 7647-17-8
Empirical Formula (Hill Notation): ClCs
Molecular Weight: 168.36
EC Number: 231-600-2
MDL Number: MFCD00010955
Linear Formula: CsCl
Product Type: Chemical
| λ | 3 M in H2O |
| anion traces | sulfate (SO42-): ≤20 mg/kg |
| assay | ≥99.5% (AT) |
| cation traces | Al: ≤5 mg/kg |
| As: ≤0.1 mg/kg | |
| Ba: ≤5 mg/kg | |
| Bi: ≤5 mg/kg | |
| Ca: ≤50 mg/kg | |
| Cd: ≤5 mg/kg | |
| Co: ≤5 mg/kg | |
| Cr: ≤5 mg/kg | |
| Cu: ≤5 mg/kg | |
| Fe: ≤5 mg/kg | |
| K: ≤50 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 | |
| form | solid |
| grade | for molecular biology |
| impurities | DNases, none detected |
| insoluble matter, passes filter test | |
| phosphatases, none detected | |
| proteases, none detected | |
| RNases, none detected | |
| ≤0.001% total nitrogen (N) | |
| InChI | 1S/ClH.Cs/h1H;/q;+1/p-1 |
| InChI key | AIYUHDOJVYHVIT-UHFFFAOYSA |
| loss | ≤0.1% loss on drying, 110 °C |
| mp | 645 °C (lit.) |
| pH | 6.0-7.5 (25 °C, 3 M in H2O) |
| product line | BioUltra |
| Quality Level | 200  |
| SMILES string | [Cl-].[Cs+] |
| solubility | H2O: 3 M at 20 °C, clear, colorless |
| UV absorption | λ: 260 nm Amax: 0.02 |
| λ: 280 nm Amax: 0.02 |
| Biochem/physiol Actions: | Cesium chloride (CsCl) can be used for the preparation of electrically conducting glasses. It can also be used to make solutions for the separation of RNA from DNA by density gradient centrifugation. |
| Other Notes: | Cesium chloride gradient centrifugation for phage purification; Isolation of satellite DNA; RNA purification; Buoyant density of DNA - Hoechst 33258 complexes in CsCl gradients. |
| Hazard Codes | Xn |
| Risk Statements | 22-48/22-62 |
| Safety Statements | 36/37-45 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Purity | ≥99.5% (AT) |
| mp | 645 °C (lit.) |
| UNSPSC | 12352302 |