Category:
Other Excipients
CAS NO:
-
Standard:
USP,
-
Polyacrylic Resin (Ⅱ, Ⅲ) refers to high-molecular-weight polymers derived from acrylic acid esters, synthesized via free-radical emulsion or solution polymerization. The generic molecular structure is (C3H4O2)n, though specific grades vary by esterification ratios. CAS numbers range from 9003-01-4 to 9003-08-5 depending on the substitution pattern.
Storage requires cool, dry conditions below 25°C to prevent premature cross-linking. Safety protocols mandate respiratory protection during powder handling to avoid inhalation hazards. In pharmaceutical contexts, strict purity grades are required to ensure biocompatibility and minimize toxicity risks.