Dongguan Yihong New Material Co., Ltd.

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Product full specification introduction

1. Chinese name: N-methyl-2-pyrrolidone (commonly known as NMP)
2. English name: N-Methyl pyrrolidone
Third, CAS No: 872-50-4 Boiling point: 202 ° C Flash point: 95 ° C
4. Molecular formula: C5H9NO Molecular weight: 99.13
5. Molecular structure:

Six, product description

This product is a colorless transparent liquid with strong adsorption, high solubility, compatibility with water, and soluble in various solvents such as ether and acetone. It has the characteristics of low viscosity, no corrosion, good stability and easy recycling.
It is widely used in advanced lubricating oil refining, polymer synthesis, insulating materials, pesticides, pigments, cleaning agents, etc., and is used as an absorbent for acetylene and higher alkynes in the natural gas acetylene industry. The use of .NMP in the electronics industry is mainly in the following areas:
(1) NMP is used as a solvent for polyvinylidene fluoride (PVDF), and as an electrode auxiliary material for a lithium ion battery.
(2) Can be used for photoresist removal liquid, LCD liquid crystal material production;
(3) Solvents used in pharmaceutical production;
(4) Cleaning of precision instruments and circuit boards in the semiconductor industry

Seven, electronic grade product specifications (Enterprise Standard Q/ZN 3-2016)

Indicator	Specification	Indicator	Specification	Indicator	Specification
Exterior	Colorless and transparent	Iodine (I)	≤50ppm	Cobalt (Co)	≤0.05ppm
Density	1.030±0.005g/ml	Lithium (Li)	≤0.05ppm	Silver (Ag)	≤0.05ppm
Purity	≥99.9%	Lead (Pb)	≤0.05ppm	Potassium (K)	≤0.5ppm
Water content	≤200ppm	Mercury (Hg)	≤0.05ppm	Sodium (Na)	≤0.5ppm
Chroma	≤10HaZen	Chromium (Cr)	≤0.05ppm	Calcium (Ca)	≤0.5ppm
PH	7-9	Cadmium (Cd)	≤0.05ppm	Magnesium (Mg)	≤0.1ppm
Total amine	≤30ppm	Nickel (Ni)	≤0.05ppm	Aluminum (Al)	..