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N-Methylpyrrolidone (NMP) N-Methylpyrrolidone is a colorless to slightly yellow liquid with a mild amine odor. It is very versatile since is it miscible with water and various solvents. N-Methylpyrrolidone, also known by the synonym NMP, is a  versatile, effective solvent that in many applications replaces dangerous solvents and solvents that are or were ozone depleting. It  used in numerous commercial/industrial applications as a co-solvent with water, alcohols and other organic substances.  used as a cleaner and degreaser and in many other applications. It is often used in specialty resins, stripping epoxy, as a pigment dispersant, plastics, textiles,  agrochemicals. In the electronics/ microelectronics industry specifically it is often used as a process solvent for  cleaning silicon wafers, removing marker dyes and soldering flux residues from circuit boards. One advantage of NMP   is that it is not on the Hazardous Air Pollutants (HAPs) list of the U.S. 1990 Clean Air Act Amendment