N-methyl pyrrilidone (C5H9NO) Structural Formula: Chemical Name: N-methyl pyrrolidone, 1-Methyl-2pyrrolidone Goods type: Ordinary Goods UN NO.: 1760 HS NO.: 2933790090 Appearance: Colorless and transparent oily liquid, with slight amine smell Specification: Item Reagent Class Electric Class Industrial Class Common Class Purity% ≥99.9 ≥99.9 ≥99.8 ≥99.5 Moisture (Wt %) ≤0.01 ≤0.03 ≤0.05 ≤0.1 Color (Hazen) ≤10 ≤10 ≤15 ≤30 Density（g/ml） 1.032-0.135 1.032-0.135 1.032-0.135 1.032-0.135 Usage: 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. NMP is widely used in senior lubricating oil refining, polymers, synthesis, insulation materials, pesticide, printing ink, high-grade coatings, pigments and cleaner (deoiling, degreasing, dewaxing, polishing, antirust and depainting) etc, also applied to artificially kidney function membrane fluid and seawater desalination membrane fluid. It is mainly used in 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 (5) Concentrate of ethylene and extracting of butadiene,isoprene, aren, etc. Package: Sealed in 200KG/galvanized iron, steel drum or plastic drum; Or according to customers’ requirement.