N-Methyl-2-pyrrolidone CAS#872-50-4

Products Description of N-Methyl-2-pyrrolidone CAS#872-50-4

N-Methylpyrrolidone is referred to as NMP, molecular formula: C5H9NO, English: 1-Methyl-2-pyrrolidinone, appearance is colorless to light yellow transparent liquid, slightly smell of ammonia, miscible with water in any proportion, soluble in ether, acetone And various organic solvents such as esters, halogenated hydrocarbons, aromatic hydrocarbons, etc., almost completely mixed with all solvents, with a boiling point of 204°C and a flash point of 91°C. It has strong hygroscopicity and stable chemical properties. It does not corrode carbon steel and aluminum, but is slightly corrosive to copper. corrosive. It has the advantages of low viscosity, good chemical and thermal stability, high polarity, low volatility, and unlimited miscibility with water and many organic solvents. This product is a micro-drug, and the allowable limit concentration in the air is 100PPM.

N-Methyl-2-pyrrolidone Chemical Properties

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Product Application of N-Methyl-2-pyrrolidone CAS#872-50-4

Main uses of N-methylpyrrolidone:

1. Industrial grade: lubricating oil refining, lubricating oil antifreeze, syngas desulfurization, electronic insulation materials, agricultural herbicides, pesticide additives, PVC exhaust gas recovery, additives and dispersants for the production of high-end coatings, inks, pigments, etc. For example, it is used to extract aromatic hydrocarbons in lubricating oil to achieve the purpose of refining lubricating oil; because NMP has a large solubility in resin, as a solvent for resin processing, it can be specifically used to manufacture coatings, floor paints, varnishes, composite coating films, and integrated circuit enameled wires. Products such as insulating materials, fiber fabrics and adhesives.

2. Ordinary level: Extraction and recovery of basic organic raw materials, such as acetylene concentration and extraction of butadiene, isoprene, aromatics, etc. It can be used as a solvent to recover acetylene from natural gas or light naphtha thermal cracking gas, and the purity of recovered acetylene can reach 99.7%; it can be used as an extraction agent to separate and recover high-purity butadiene from cracked C4 hydrocarbons, with a recovery rate of 97 %, the purity of recovered butadiene is 99.7%. It is used as an extraction agent to recover high-purity isoprene from cracked C5 hydrocarbons. The recovery purity of isoprene reaches 99%; when used as an extraction agent for aromatic hydrocarbons, it has high solubility in aromatic hydrocarbons. With low vapor pressure, the extraction agent loss rate is low and the aromatic hydrocarbon recovery rate is high during the process.

3. Reagent grade: degreasing, degreasing, dewaxing, polishing, rust prevention, paint removal, etc. in industries such as integrated circuits and hard disks that require strict control of metal ions and particles, such as photoresist removal fluid, IC semiconductor industry Cleaning of precision instruments, LCD liquid crystal materials, PCB printed circuit boards, and hard drives; as well as solvents produced in the pharmaceutical industry such as artificial kidney functional membrane liquid and seawater desalination membrane liquid.

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Inventory 2-3 working days New production 7-10 working days