He Fei Teng Chao Chemical Materials Co.Ltd.

Chemical name:N-Methyl-2-pyrrolidinone; N-Methyl-2-Pyrrolidone; N-Methylpyrrolidone; NMP CAS:872-50-4 Characteristics: Molecular formula: C5H9NO Molecular weight: 99.134 Structural formula:   Density(D420)g/ml: 1.028~1.033 Melting point: -23? Boiling point: 202? Flash point: 95? Refractive index:nd20 1.465-1.470 Properties: it has strong water absorption. It can almost dissolve in all the solvents. Uses: As a high-selective solvent, NMP has such advantages as non-toxicity, high boiling point, low corrosion, high solubility, low viscosity, low volatility and good stability and easy to recovery. It is mainly used in the electronic industry in the following aspects: (1) As solvent of poly(1,1-difluoro-Ethene); or electrode's accessory material of lithium ion battery. (2)As remover liquid of photoresist; in the production of LCD materials; (3)As solvent in pharmacy; (4)Cleaning of precision instruments and circuit board Specification: Items  electronic grade Unit  Testing method Purity 99.90min % GC Moisture 0.02max % Karl fischer method Chroma 10max APHA Colorimetry Packing:galvanization drum/baking paint drum or plastic drum. Net weight is 200kg/drum; 1000l IBC;ISO Tank. Storage and transportation:Store in cool and airy place; keep away from fire and heat; handle with care; avoid leakage