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    • Pharmaceuticals: Healthcare


AMBERLITE™ IRP and DUOLITE™ AP Ion Exchange Resins

Bulk Pharmaceutical Chemicals for Finished Dosage Forms

 

Compendial name
Commercial name

Function in the dosage form Active Excipient
Matrix
Functionality
Ionic form
Polacrilex Resin
-

• Taste masking agent
• Drug stabilizing agent
• Nicotine

Methacrylic acid & Divinylbenzene polymer

Weak acid-COOH

Hydrogen
Sodium Polystyrene Sulfonate

• Sustained release
• Drug stabilizing agent
• Taste masking agent

Styrene-Divinylbenzene polymer

 

Strong acid -SO3-
Sodium
Cholestyramine Resin (1)

• Cholesterol reduction
• Bile acid Sequestrant

 • Sustained release
• Drug stabilizing agent
• Taste masking agent

Styrene-Divinylbenzene polymer

Strong base -N+(R)3

Chloride

(1) Cholestyramine resin is available in several grades which vary only in their particle size

A simple guide is given to help you choose the right ion exchange resin.

If you have any specific request in terms of particle size or other polymer characteristics or need information on how to get a sample, then please contact your regional Ion Exchange Resin office