20989
Cesium fluoride
BioUltra, ≥99.0% (F)
Synonym(s):
NSC 84270
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About This Item
grade
reagent grade
Quality Segment
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
SMILES string
[F-].[Cs+]
InChI
1S/Cs.FH/h;1H/q+1;/p-1
InChI key
XJHCXCQVJFPJIK-UHFFFAOYSA-M
Application
- 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
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This Item | |||
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| solubility H2O: 3 M at 20 °C, clear, colorless | solubility methanol: slightly soluble(lit.), pyridine: insoluble(lit.) | solubility methanol: slightly soluble(lit.), pyridine: insoluble(lit.) | solubility - |
| assay ≥99.0% (F) | assay 99.99% trace metals basis | assay 99.99% trace metals basis | assay ≥98.0% |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
| grade reagent grade | grade - | grade - | grade - |
| impurities insoluble matter, passes filter test, ≤0.005% total nitrogen (N) | impurities ≤150.0 ppm Trace Metal Analysis | impurities ≤150.0 ppm Trace Metal Analysis | impurities - |
| mp 682 °C (lit.) | mp 682 °C (lit.) | mp 682 °C (lit.) | mp 682 °C (lit.) |
| solubility H2O: 3 M at 20 °C, clear, colorless | solubility methanol: slightly soluble(lit.), pyridine: insoluble(lit.) | solubility methanol: slightly soluble(lit.), pyridine: insoluble(lit.) | solubility - |
| assay ≥99.0% (F) | assay 99.99% trace metals basis | assay 99.99% trace metals basis | assay ≥98.0% |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
| grade reagent grade | grade - | grade - | grade - |
| impurities insoluble matter, passes filter test, ≤0.005% total nitrogen (N) | impurities ≤150.0 ppm Trace Metal Analysis | impurities ≤150.0 ppm Trace Metal Analysis | impurities - |
| mp 682 °C (lit.) | mp 682 °C (lit.) | mp 682 °C (lit.) | mp 682 °C (lit.) |
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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
Storage Class
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
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 20989-250G | 04061833440094 |
| 20989-10G | 04061838770967 |