ISO Supplier of NMP, Purity 99.8%min, Exported to Asia, Middle East, America more then 15 countries N-Methyl-2-Pyrrolidone CAS:872-50-4 Specification: Items Tested Specification Appearance Colorless clear liquid Purity% 99.8 MIN Water% 0.20 MAX Color HaZen 25MAX Refractive Index nD20 1.468-1.471 SP.GR D254 1.032-1.035 Packing:In zinc plating iron drums,200kgs net each. Physical dataAppearance: ...