INTRODUCTION ： N-METHYL PYRROLIDONE
I. Application:
This product is an important chemical raw material, a polar solvent with goodselectivity and stability properties , low toxicity, high boiling point , strong solvency, non-inflammable, has many advantages, such as the biodegradation, reutilization, safety in use and suitable for many kinds of prescription,etc. Its main applications are as follows:
1.Concentrate the acetylene; Extracte the butadiene, isoprene,aromatics, etc;
2. Lubricant refining;
3. Polymerizing solvent for the engineering plastics which are difficult to dissolve(such as the polyphenylene sulfide and the polyimide) and the aromatic fiber;
4. Electrical insulant, lithium ion battery;
5. High-class coating, printing ink, pigment;
6. Pesticide accessory ingredient;
7. Cleaners:deoil, defat, dewax, burnish, anti- rust and depainting,etc;
8. The artifcial kidney function film liquid and the sea water desalination film liquid.

Molecular Formula: C5H9NO
Molecular Weight: 99.134
Molecular Structural Formula:

II. Characteristics:
Colorless and transparent liquid, with boiling point 202°C and flash point 95°C, can dissolvable in water and many solvents, such as acetaldehyde, ether, acetone, etc.
III. Product specifications:
Index Reagent grade Electronic grade Technical grade Common grade
Purity % ≥99.9 ≥99.9 ≥99.8 ≥99.5
Chroma Hazen ≤15 ≤20 ≤25 ≤30
Density g/ml 1.032-1.035 1.032-1.035 1.032-1.035 1.032-1.035
Moisture% ≤0.01 ≤0.02 ≤0.05 ≤0.1

IV. Packing:
In galvanized iron or plastic drums of 200kg in net weig