Compendial name	Commercial name	Function in the dosage form Active Excipient		Matrix	Functionality	Ionic form
Polacrilex Resin	Amberlite IRP64	-	• Taste masking agent • Drug stabilizing agent • Nicotine	Methacrylic acid & Divinylbenzene polymer	Weak acid -COOH	Hydrogen
Polacrilin Potassium	Amberlite IRP88	-	• Tablet disintegrant • Taste masking agent	Methacrylic acid & Divinylbenzene polymer	Weak acid -COOH	Potassium
Sodium Polystyrene Sulfonate	Amberlite IRP69	• Potassium reduction	• Sustained release • Drug stabilizing agent • Taste masking agent	Styrene- Divinylbenzene polymer	Strong acid -SO3-	Sodium
Cholestyramine Resin (1)	Duolite AP143	• 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

 

 

 

Upcoming Event:

 

November 16-20, 2008
Meet Rohm and Haas Formulation Experts at the AAPS Annual Meeting and Exposition, Georgia World Congress Center Atlanta, GA, Booth 961. More details...