product name:N-methyl-2-pyrrolidone Purity 99.5%min Butyrolactone 0.020%max ... used in the extraction and recovery of basic organic materials.(2 ), used in the refining of lubricant(3 ), ... and polyreaction.(4 ), Resin has high solubility in NMP, thus NMP can be used as the solvent of resin process, ... 99.5%ButyrolactoneMax 0.020%Moisture0.05%Chroma25APHA N-methyl-2-pyrrolidone