dicaesium(1+) ion sulfate

• ChemBase ID: 102359
• Molecular Formular: Cs2O4S
• Molecular Mass: 361.8735
• Monoisotopic Mass: 361.76263148
• SMILES: [Cs+].[Cs+].[O-]S(=O)(=O)[O-]
• Canonical SMILES: [O-]S(=O)(=O)[O-].[Cs+].[Cs+]
• InChI: InChI=1S/2Cs.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
• InChIKey: FLJPGEWQYJVDPF-UHFFFAOYSA-L

NAMES AND DATABASE IDS

Names

• IUPAC name: dicaesium(1+) ion sulfate
• IUPAC Traditional name: dicaesium(1+) sulfate; dicaesium(1+) ion sulfate
• Synonyms: CESIUM SULFATE; Dicesium Sulfate; Sulfuric Acid, Dicesium Salt; CESIUM SULFATE OPTICAL GRADE; Caesium sulfate; Cesium sulfate; Cesium sulfate, Puratronic®; 硫酸铯; 硫酸铯, Puratronic®

Database IDs

• CAS Number: 10294-54-9
• EC Number: 233-662-6
• MDL Number: MFCD00010959
• Merck Index: 142016
• PubChem SID: 24853771; 24852620; 24892766; 162089571; 24892334
• PubChem CID: 25137
• Chemspider ID: 23482
• Wikipedia Title: Caesium_sulfate

CALCULATED PROPERTIES

• Acid pKa: -3.034349
• H Acceptors: 4
• H Donor: 0
• LogD (pH = 5.5): -5.569452
• LogD (pH = 7.4): -5.594027
• Log P: -0.841552
• Molar Refractivity: 11.5274 cm^3
• Polarizability: 6.037845 Å^3
• Polar Surface Area: 80.26 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: 167 g/100 ml (0 oC) in water; H2O: soluble0.2 g/mL, clear, colorless; H2O: soluble1 M at 20 °C, clear, colorless; H2O: soluble2 M at 20 °C, clear, colorless; insoluble in ethanol, acetone; Very soluble in water. Slightly soluble in alcohol, acetone, pyridine
• Apperance: -20 Mesh Powder; -60 Mesh Powder; Powder; powder and chunks
• Melting Point: 1010 oC; 1010°C; 1019 °C(lit.)
• Flash Point: non-flammable
• Density: 4.24; 4.243; 4.243 g/cm^3, solid; 4.243 g/mL at 25 °C(lit.)
• Absorption Wavelength: λ: 260 nm Amax: ≤0.020; λ: 280 nm Amax: ≤0.020
• pH: 6.0-7.5 (25 °C, 2 M in H2O)

Safety Information

• Storage Condition: Room Temperature (15-30°C), Desiccate
• Storage Warning: Hygroscopic
• RTECS: FL0800000
• German water hazard class: 2
• TSCA Listed: 是
• EU Index: not listed
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter

Product Information

• Purity: ≥99%; ≥99.0% (T); ≥99.5% (T); 99%; 99.9%; 99.9% (metals basis); 99.99% (metals basis); 99.99% trace metals basis; 99.997% (metals basis)
• Grade: Cabot® high-purity grade; Cabot® technical grade; OPTICAL; optical grade; puriss. p.a.; purum p.a.
• Impurities: <0.005% Phosphorus (P); <0.1% Insoluble matter; ≤0.001% total nitrogen (N); insoluble matter, passes filter test
• Cation Traces: Al: <0.0005%; Al: ≤5 mg/kg; As: ≤0.1 mg/kg; Ba: ≤5 mg/kg; Bi: ≤5 mg/kg; Ca: <0.001%; Ca: ≤10 mg/kg; Ca: ≤50 mg/kg; Cd: ≤5 mg/kg; Cd: ≤50 mg/kg; Co: ≤5 mg/kg; Co: ≤50 mg/kg; Cr: ≤5 mg/kg; Cu: <0.0005%; Cu: ≤5 mg/kg; Cu: ≤50 mg/kg; Fe: <0.0005%; Fe: ≤5 mg/kg; Fe: ≤50 mg/kg; K: <0.02%; K: ≤100 mg/kg; K: ≤50 mg/kg; Li: ≤5 mg/kg; Mg: <0.0005%; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Mo: ≤5 mg/kg; Na: <0.02%; Na: ≤100 mg/kg; Na: ≤50 mg/kg; NH4+: <0.05%; Ni: ≤5 mg/kg; Ni: ≤50 mg/kg; Pb: <0.001%; Pb: ≤5 mg/kg; Pb: ≤50 mg/kg; Sr: ≤5 mg/kg; Zn: <0.0005%; Zn: ≤5 mg/kg; Zn: ≤50 mg/kg
• Antion Traces: chloride (Cl-): <0.05%; chloride (Cl-): ≤10 mg/kg; chloride (Cl-): ≤20 mg/kg; chloride (Cl-): ≤50 mg/kg
• Loss on Drying: ≤0.1% loss on drying, 110 °C
• Type: Grade I
• λ: 2 M in H2O
• Product Line: BioUltra; BioXtra
• abs.: A50%/280, H2O ≤0.020; A50%/280, H2O ≤0.2
• Empirical Formula (Hill Notation): Cs2O4S

DETAILS

MP Biomedicals - 02101326

Optical Grade
Purity: 99.9%
Prepared particularly for density gradient work.

MP Biomedicals - 05212759

MP Biomedicals Rare Chemical collection

Sigma Aldrich - C6391

Quality
Yields a clear colorless solution.

Sigma Aldrich - 562556

Legal Information
Cabot is a registered trademark of Cabot Corp.

Sigma Aldrich - 562564

Legal Information
Product of Cabot® Performance Materials
Cabot is a registered trademark of Cabot Corp.

Sigma Aldrich - 230030

Packaging
10 g in poly bottle

Sigma Aldrich - 21018

Other Notes
Density gradient centrifugation of proteoglycans1; Preparative density gradient centrifugation of DNA and RNA in cesium sulfate-urea2

Sigma Aldrich - C3136

Packaging
50, 250 g in glass bottle
Quality
Yields a clear colorless solution.