Category:
Other Specialized Reagents
CAS NO:
9049-93-8
Standard:
USP,
AMBERLYST(R) A-21 is a macroporous anion exchange resin based on polystyrene-divinylbenzene copolymer. It features quaternary ammonium functional groups for efficient ion exchange in organic media.
Store in sealed containers at ambient temperature away from oxidizers. Avoid exposure to strong acids or bases that may degrade the matrix. Personal protective equipment is required during handling to prevent inhalation of dust.