1-Methyl-2-pyrrolidinone CAS NO.872-50-4

Products N-methyl pyrrolidone (NMP) I. Application: Its main applications are as follows: 1.Concentrate the acetylene; Extracte the but…

Products N-methyl pyrrolidone (NMP) I. Application: Its main applications are as follows: 1.Concentrate the acetylene; Extracte the butadiene, isoprene,aromatics, etc; 2. Lubricant refining; 3. Polymerizing solvent for the engineering plastics which are difficult to dissolve(such as the polyphenylene sulfide and the polyimide) and the aromatic fiber; 4. Electrical insulant, lithium ion battery; 5. High-class coating, printing ink, pigment; 6. Pesticide accessory ingredient; 7. Cleaners:deoil, defat, dewax, burnish, anti- rust and depainting,etc; 8. The artifcial kidney function film liquid and the sea water desalination film liquid. Molecular Formula: C5H9NO Molecular Weight: 99.134 Molecular Structural Formula: II. Characteristics: Colorless and transparent liquid, with boiling point 202oC and flash point 95oC, can dissolvable in water and many solvents, such as acetaldehyde, ether, acetone, etc. III. Product specifications: Index Reagent grade Electronic grade Technical grade Common grade Purity % ≥99.9 ≥99.9 ≥99.8 ≥99.5 Chroma Hazen ≤15 ≤20 ≤25 ≤30 Density g/ml 1.032-1.035 1.032-1.035 1.032-1.035 1.032-1.035 Moisture% ≤0.01 ≤0.02 ≤0.05 ≤0.1 IV. Packing: In galvanized iron or plastic drums of 200kg in net weight