Phase Transfer Catalysts
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Phase transfer catalyst is a catalyst that facilitates the migration of a reactant from one phase into another phase where reaction occurs. By using a PTC process, one can achieve faster reactions, obtain higher conversions or yields, make fewer byproducts, eliminate the need for expensive or dangerous solvents that will dissolve all the reactants in one phase, eliminate the need for expensive raw materials and/or minimize waste problems. PTC is not limited to systems with hydrophilic and hydrophobic reactants. PTC is sometimes employed in liquid/solid and liquid/gas reactions.

Product

Abbr.

CAS No.

Application

Technical Data

Tetrabutylammonium Bromide

TBAB

1643-19-2

PTC catalyst 

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Triphenyl Phosphhine

TPP

603-35-0

PTC catalyst 

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Ethyltriphenylphosphonium Bromide

ETPPBR

1530-32-1

PTC catalyst

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Butyltriphenylphosphonium Bromide

BTPPBR

1779-51-7

PTC catalyst

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Methyltriphenylphosphonium Bromide

MTPPBR

1779-49-3

PTC catalyst

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Methoxymethyltriphenylphosphonium Chloride

MOTPPC

4009-98-7

PTC catalyst

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