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12121 Cesium fluoride, Puratronic®, 99.99% (metals basis)

CAS Number
13400-13-0
Synonyms

Stock No. Size Price ($) Quantity Availability
12121-03 1g 31.10
12121-09 10g 114.00
12121-18 50g 439.00
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Cesium fluoride, Puratronic®, 99.99% (metals basis)

MDL
MFCD00010960
EINECS
236-487-3

Chemical Properties

Formula
CsF
Formula Weight
151.90
Form
Crystalline
Melting point
682°
Boiling Point
1251°
Storage & Sensitivity
Hygroscopic. Store under Nitrogen. Ambient temperatures.
Solubility
Soluble in water. Insoluble in dioxane and pyridine.

Applications

Cesium fluoride is used for desilylation reactions in organic synthesis. Useful base in organic chemistry, due to its low nucleophilicity. Owing to its high ionic character, it is a very reactive source of fluoride ion in organic synthesis. Reagent of choice when reactive "naked" fluoride is required. Effective catalyst in promoting Knoevenegal condensation. Single crystals of CsF are useful as the windows of cells for infrared spectroscopy.

Notes

Cesium fluoride is hygroscopic. The adsorbed moisture can be removed by heating and drying under vacuum. Contact with acid should be avoided to prevent the formation of hydrogen fluoride.

Literature References

Khana, K. M.; Hayata, S.; Zia-Ullaha; Atta-ur-Rahmana; Iqbal Choudharya, I. M.; Maharvia, G. M.; Baye, E. An Alternative Method for the Synthesis of gamma-Lactones by Using Cesium Fluoride-Celite/Acetonitrile Combination. Synth. Commun. 2003, 33 (19), 3435-3453.

Reinhard, M.; Hanisch, J.; Zhang, Z.; Ahlswede, E.; Colsmann, A.; Lemmer, U. Inverted organic solar cells comprising a solution-processed cesium fluoride interlayer. Appl. Phys. Lett. 2011, 98, 053303.

GHS Hazard and Precautionary Statements

Hazard Statements: H301-H311-H315-H318-H331-H361

Toxic if swallowed. Toxic in contact with skin. Causes skin irritation. Causes serious eye damage. Toxic if inhaled. Suspected of damaging fertility or the unborn child.

Precautionary Statements: P201-P202-P261-P264b-P270-P271-P281-P301+P310-P302+P352-P304+P340-P305+P351+P338-P308+P313-P310-P311-P312-P330-P332+P313-P361-P363-P501c

Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Use personal protective equipment as required. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF exposed or concerned: Get medical advice/attention. Call a POISON CENTER or doctor/physician. Call a POISON CENTER or doctor/physician if you feel unwell. Rinse mouth. If skin irritation occurs: Remove/Take off immediately all contaminated clothing. Wash contaminated clothing before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Hazard Class
6.1
Packing Group
II
Harmonized Tariff Code
2826.19
TSCA
Yes
RTECS
FK9650000

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