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2751-90-8 - Tetraphenylphosphonium bromide, 98+% - A15860 - Alfa Aesar

A15860 Tetraphenylphosphonium bromide, 98+%

CAS Number
2751-90-8
Synonyms

Size Price ($) Quantity Availability
10g 30.69
50g 97.03
100g 157.50
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Tetraphenylphosphonium bromide, 98+%

MDL
MFCD00011915
EINECS
220-393-4

Chemical Properties

Formula
(C6H5)4PBr
Formula Weight
419.31
Melting point
296-302°
Sensitivity
Hygroscopic
Solubility
Soluble in water.

Applications

Tetraphenylphosphonium bromide is a supporting electrolyte for the electroreduction of buckminsterfullerene. It is used to extract heavy metals from aqueous solution as ion-association complexes

Notes

Store in cool place. Keep container tightly closed in a dry and well-ventilated place. It is hygroscopic in nature. Incompatible with strong oxidizing agents. Stable at room temperature in closed containers under normal storage and handling conditions.

Literature References

Dominique Dubois.; Gilles Moninot.; Wlodzimierz Kutner.; M. Thomas Jones.; Karl M. Kadish. Electroreduction of Buckminsterfullerene, C60, in aprotic solvents. Solvent, supporting electrolyte, and temperature effects. J. Phys. Chem. 1992, 96 (17), 7137-7145 .

Nicolay V. Tsarevsky.; Brent S. Sumerlin.; Krzysztof Matyjaszewski. Step-Growth “Click” Coupling of Telechelic Polymers Prepared by Atom Transfer Radical Polymerization. Macromolecules. 2005, 38 (9), 3558-3561.

This salt, or the more water-soluble chloride (next entry), has been used to extract heavy metals from aqueous solution as ion-association complexes: J. Organomet. Chem., 160, 17 (1978), Z. Naturforsch. B, 33B(5), 533 (1978); Microchem. J., 22, 275 (1977).

Thermally stable phase-transfer catalyst (see Appendix 2): in combination with o-phthaloyl chloride (nitrite trap), facilitates the otherwise difficult displacement by F- of a nitro-group meta to an activating group: Chem. Lett., 2213 (1989):

For a similar reaction, see 4-Chlorobenzaldehyde, A12757.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Merck
14,9237
Beilstein
3922383
Harmonized Tariff Code
2931.90
TSCA
Yes

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