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289345

Cesium fluoride

99.9% trace metals basis

Synonym(s):

NSC 84270

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Size/SKUAvailabilityPrice
5 g
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$48.50
25 g
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$110.00
100 g

Estimated to ship onDecember 02, 2026fromMILWAUKEE

$195.00
500 g

Estimated to ship onDecember 02, 2026fromMILWAUKEE

$400.00
1 kg

Estimated to ship onDecember 15, 2026fromMILWAUKEE

$650.00

About This Item

Empirical Formula (Hill Notation):
CsF
CAS Number:
Molecular Weight:
151.90
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
236-487-3
MDL number:
Assay:
99.9% trace metals basis

$48.50


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Quality Segment

assay

99.9% trace metals basis

mp

682 °C (lit.)

density

4.115 g/mL at 25 °C (lit.)

SMILES string

[F-].[Cs+]

InChI

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

InChI key

XJHCXCQVJFPJIK-UHFFFAOYSA-M

Application

Used as a base in a Suzuki cross-coupling synthesis of ortho-substituted biaryls. Also employed as a reagent for nucleophilic fluorination of primary halides and sulfonates in protic media such as tert-butyl and tert-pentyl alcohols.
Reactant for:
  • Preparation of building blocks for synthesis of fluoroallylic compounds
  • Synthesis of alcohols via hydrolysis of alkyl silyl ethers at neutral pH in buffered mixed organic-aqueous solutions
  • Nucleophilic fluorination of alkynyliodonium salts to form fluorovinylic compounds
  • Nucleophilic aromatic substitution (SNAr) reactions
Used in the successful synthesis of a single-crystal Dion-Jacobson phase, CsLaTa2O7, that has applications in photocatalysis and superconductivity.

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Quality Level

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density

4.115 g/mL at 25 °C (lit.)

density

4.115 g/mL at 25 °C (lit.)

density

4.115 g/mL at 25 °C (lit.)

density

4.115 g/mL at 25 °C (lit.)

mp

682 °C (lit.)

mp

682 °C (lit.)

mp

682 °C (lit.)

mp

682 °C (lit.)


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Signal Word

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

Storage Class

11 - Combustible Solids

WGK

WGK 2

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

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



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