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20989

Sigma-Aldrich

氟化铯

BioUltra, ≥99.0% (F)

别名:

NSC 84270

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About This Item

经验公式（希尔记法）:
CsF
CAS号:
13400-13-0
分子量:
151.90
EC號碼:
236-487-3
MDL號碼:
MFCD00010960
分類程式碼代碼:
12352302
PubChem物質ID:
57647888
NACRES:
NA.25

產品線

BioUltra

品質等級

100

化驗

≥99.0% (F)

雜質

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

損耗

≤0.5% loss on drying, 110 °C

pH值

6.5-7.5 (25 °C, 3 M in H2O)

mp

682 °C (lit.)

溶解度

H2O: 3 M at 20 °C, clear, colorless

密度

4.115 g/mL at 25 °C (lit.)

負離子痕跡

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

正離子痕跡

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

&lambda ；

3 M in H2O

紫外吸收

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

SMILES 字串

[F-].[Cs+]

InChI

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

InChI 密鑰

XJHCXCQVJFPJIK-UHFFFAOYSA-M

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應用

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。

訊號詞

Danger

危險分類

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

標靶器官

Kidney,Adrenal gland

安全危害

EUH032

儲存類別代碼

11 - Combustible Solids

水污染物質分類（WGK）

WGK 2

閃點（°F）

Not applicable

閃點（°C）

Not applicable

個人防護裝備

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

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氯化铯

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
E A Lesnik et al.
Journal of biomolecular structure & dynamics, 5(3), 601-614 (1987-12-01)
We have determined the 1H----3H exchange rate constants between water and C8H groups of purinic residues of alternating polynucleotides poly(dA-dT).poly(dA-dT), poly(dG-dC).poly(dG-dC) and poly(dA-dC).poly(dG-dT) as well as homopolynucleotides poly(dA).poly(dT) and poly(dG).poly(dC) in aqueous solutions with high-salt concentrations (3 M NaCl and
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
Y Sato et al.
Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan, 114(11), 880-887 (1994-11-01)
Benzylammonium N-alkylides were generated by reaction of N-[1-(trimethylsilyl)alkyl]benzylammonium salts with cesium fluoride in DMF or HMPA, and their rearrangement products were investigated. [2,3]Sigmatropic rearrangement of the ylides initially occurred to give isotoluene derivatives and then they were transformed into Sommelet-Hauser
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