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  6. Tetra-n-butylphosphonium bromide, 99%, Thermo Scientific Chemicals

Tetra-n-butylphosphonium bromide, 99%, Thermo Scientific Chemicals

Product Code. 11434213
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Quantity:
25 g
100 g
500 g
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Description

Tetra-n-butylphosphonium bromide is used as a phase-transfer catalyst at high temperatures, at which nitrogen analogues tend to undergo elimination e.g. as catalyst for the dealkoxycarbonylation of malonates and β-keto esters by heating in stearic acid. used as an ionic liquid solvent in the regioselective O-alkylation of C/O ambident nucleophiles. It is a synthetic reagent used in proteomics research.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Tetra-n-butylphosphonium bromide is used as a phase-transfer catalyst at high temperatures, at which nitrogen analogues tend to undergo elimination e.g. as catalyst for the dealkoxycarbonylation of malonates and ß-keto esters by heating in stearic acid. used as an ionic liquid solvent in the regioselective O-alkylation of C/O ambident nucleophiles. It is a synthetic reagent used in proteomics research.

Solubility
Soluble in water (70 g/100 ml)

Notes
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. It is hygroscopic in nature.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 3115-68-2
Molecular Formula C16H36BrP
Molecular Weight (g/mol) 339.342
MDL Number MFCD00011853
InChI Key RKHXQBLJXBGEKF-UHFFFAOYSA-M
Synonym tetrabutylphosphonium bromide, tetra-n-butylphosphonium bromide, phosphonium, tetrabutyl-, bromide, px 4b, tetra butyl phosphonium bromide, tetrabutylphosphoniumbromide, tetrabutylphosphanium bromide, tetrabutyl phosphonium bromide, phosphonium, tetrabutyl-, bromide 1:1, acmc-1clh3
PubChem CID 76564
IUPAC Name tetrabutylphosphanium;bromide
SMILES CCCC[P+](CCCC)(CCCC)CCCC.[Br-]

Specifications

Melting Point 99°C to 103°C
Flash Point 290°C (554°F)
Linear Formula [CH3(CH2)3]4PBr
Quantity 500 g
UN Number UN3464
Beilstein 4160474
Sensitivity Hygroscopic
Solubility Information Soluble in water (70g/100 ml)
Formula Weight 339.35
Percent Purity 99%
Chemical Name or Material Tetra-n-butylphosphonium bromide
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RUO – Research Use Only

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