N-Methyl-2-pyrrolidone

CAS：872-50-4

Molecular formula：C5H9NO

Molecular weight：99.13

Appearance：Colorless transparent liquid with low toxicity, high boiling point and outstanding solubility. Strong selectivity and good stability.

Synopsis：

1. Industrial grade: lubricant refining, lubricant antifreeze, syngas desulfurization, electronic insulating materials, agricultural herbicides, pesticide additives, PVC tail gas recovery, additives and dispersants for the production of high-grade coatings, inks and pigments. For example, it can be used to extract aromatics from lubricating oil in order to refine lubricating oil; Because NMP has great solubility in resin, as a solvent for resin processing, it can be used to manufacture coatings, floor paints, varnishes, composite coating film-forming, integrated circuit enamelled wire insulation materials, fiber fabrics, adhesives and other products.

2. Ordinary grade: extract and recover basic organic raw materials, such as acetylene concentration and extraction of butadiene, isoprene and aromatics. It can be used as a solvent for recovering acetylene from natural gas or light naphtha pyrolysis gas, and the purity of recovered and concentrated acetylene can reach 99.7%; As an extractant for separating and recovering high-purity butadiene from cracked C4 hydrocarbon, the recovery rate is 97%, and the purity of recovered butadiene is 99.7%. As an extractant for recovering high-purity isoprene from cracked C5 hydrocarbon, the purity of isoprene is 99%; When used as aromatic extractant, it has low loss rate of extractant and high recovery rate of aromatic hydrocarbon due to its high solubility and low vapor pressure

3. Reagent grade: it is required to strictly control the degreasing, degreasing, dewaxing, polishing, rust prevention and paint removal of metal ions and particles in the industries of integrated circuits and hard disks, such as the cleaning of precision instruments, LCD liquid crystal materials, PCB printed circuit boards and hard disks in the IC semiconductor industry; As well as the solvents produced by the pharmaceutical industry such as artificial kidney function membrane solution and seawater desalination membrane solution.

Structural formula：