Properties:2-pyrrolidone which is also called 2-pyrrolidone, is written “2-P” for short. The molecular formula is C4H7NO.2-P is a colorless liquid.
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Properties:Polyvinylpyrrolidone is written"PVP"for short, the molecular formula is ?C6H9NO?n Polyvinylpyrrolidone exists as powder or
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