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2-Pyrrolidone CAS 616-45-5,2-pyrrolidone is a colorless to sightly yellow liquid,with a faint amine odor.2-P is a high-polar solvent and it is miscible with water and conventional organic solvents.
Polyvinylpyrrolidone K15 K17 K30 K90 CAS No.9003-39-8 white powder or aqueous solution