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Merck
CN

20989

氟化铯

BioUltra, ≥99.0% (F)

别名:

NSC 84270

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关于此项目

经验公式(希尔记法):
CsF
化学文摘社编号:
分子量:
151.90
NACRES:
NA.25
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
236-487-3
MDL number:
Assay:
≥99.0% (F)
Grade:
reagent grade
Solubility:
H2O: 3 M at 20 °C, clear, colorless
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InChI key

XJHCXCQVJFPJIK-UHFFFAOYSA-M

InChI

1S/Cs.FH/h;1H/q+1;/p-1

SMILES string

[F-].[Cs+]

grade

reagent grade

product line

BioUltra

assay

≥99.0% (F)

impurities

insoluble matter, passes filter test, ≤0.005% total nitrogen (N)

loss

≤0.5% loss on drying, 110 °C

pH

6.5-7.5 (25 °C, 3 M in H2O)

mp

682 °C (lit.)

solubility

H2O: 3 M at 20 °C, clear, colorless

density

4.115 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤500 mg/kg, sulfate (SO42-): ≤50 mg/kg

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

λ

3 M in H2O

UV absorption

λ: 260 nm Amax: 0.05, λ: 280 nm Amax: 0.05

Quality Level

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Application

可作为反应物用于:
  • 制备合成氟烯丙基化合物过程中的合成砌块
  • 在中性pH下和缓冲的有机-水混合溶液中,通过水解烷基甲硅烷基醚来合成醇
  • 炔基碘鎓盐的亲核氟化,以形成氟代乙烯基化合物
  • 亲核芳香取代(SNAr)反应
用于成功合成单晶Dion-Jacobson相CsLaTa2O7,其在光催化和超导性方面具有应用。

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Repr. 2 - STOT RE 2

target_organs

Kidney,Adrenal gland

supp_hazards

存储类别

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

法规信息

危险化学品
此项目有

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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J Fernandez-Bertrán et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 57(13), 2607-2615 (2002-01-05)
The interactions of alkali fluorides with D-xylose have been studied by X-ray diffraction (XRD), infrared spectroscopy (IR), nuclear magnetic resonance (NMR, 1H and 13C) and atomic absorption spectrophotometry. KF and CsF form complexes with D-xylose in a 1:1 molar ratio.
T C Melville et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 57(6), 1171-1176 (2001-06-23)
A procedure for directly fitting the potential energy curve of a diatomic molecule has been applied to the X1sigma+ ground states of LiCl, TlCl, RbF and CsF. Extensive, high-precision infrared and pure-rotational data sets for all isotopomers of the aforementioned
J Kypr et al.
International journal of biological macromolecules, 13(1), 9-13 (1991-02-01)
Ten DNA fragments containing self-complementary alternating sequences of adenine and thymine differing in length and the starting nucleotide were studied by c.d. spectroscopy. It was found that d(TATATATA) but not d(ATATATAT), d(TATATA), d(CTATATAG) or (dT-dA)20 isomerized into the unusual X-DNA
L Bertollini et al.
Neuroreport, 5(5), 553-556 (1994-01-31)
The effect of intracellular fluoride ions on voltage-dependent calcium currents was tested during whole-cell voltage-clamp recordings in thalamic neurones acutely dissociated from young adult rats. It is demonstrated that 5-30 mM intracellular fluoride selectively and reversibly suppresses the high voltage-activated
N Kristianpoller et al.
Radiation protection dosimetry, 100(1-4), 207-209 (2002-10-18)
Optical and dosimetric properties of nominally pure CsGd2F7 crystals and of CsGd2F7 crystals doped with various concentrations of Pr3+ ions were investigated. Effects of X, beta and UV irradiation on these crystals were studied. Methods of optical absorption, X and

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