20966

Cesium chloride

BioUltra, for molecular biology, ≥99.5% (AT)

• Synonym(s): CsCl, cesium monochloride
• Linear Formula: CsCl
• CAS Number: 7647-17-8
• Molecular Weight: 168.36
• EC Number: 231-600-2
• MDL number: MFCD00010955
• PubChem Substance ID: 57647887
• NACRES: NA.25

Properties

• grade: for molecular biology
• Quality Level: 200
• product line: BioUltra
• Assay: ≥99.5% (AT)
• form: solid
• impurities: DNases, none detected; RNases, none detected; insoluble matter, passes filter test; phosphatases, none detected; proteases, none detected; ≤0.001% total nitrogen (N)
• loss: ≤0.1% loss on drying, 110 °C
• pH: 6.0-7.5 (25 °C, 3 M in H₂O)
• mp: 645 °C (lit.)
• solubility: H₂O: 3 M at 20 °C, clear, colorless
• anion traces: sulfate (SO₄^2-): ≤20 mg/kg
• 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
• λ: 3 M in H₂O
• UV absorption: λ: 260 nm A_max: 0.02; λ: 280 nm A_max: 0.02
• SMILES string: [Cl-].[Cs+]
• InChI: 1S/ClH.Cs/h1H;/q;+1/p-1
• InChI key: AIYUHDOJVYHVIT-UHFFFAOYSA-M

Description

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.

Safety Information

• Pictograms: GHS08
• Signal Word: Warning
• Hazard Statements: H361f
• Precautionary Statements: P201 - P202 - P280 - P308 + P313 - P405 - P501
• Hazard Classifications: Repr. 2
• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves