| N-methyl pyrrolidone (NMP) |
I. Application:
This product is an important chemical raw material, a polar solvent with good selectivity 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��and flash point 95�� can dissolvable in water and many solvents, such as acetaldehyde, ether, acetone, etc.
III. Product specifications:
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Index
|
Reagent grade
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Electronic grade
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Technical grade
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Common grade
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Purity %
|
≥99.9
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≥99.9
|
≥99.8
|
≥99.5
|
|
Chroma Hazen
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≤15
|
≤20
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≤25
|
≤30
|
|
Density g/ml
|
1.032-1.035
|
1.032-1.035
|
1.032-1.035
|
1.032-1.035
|
|
Moisture%
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≤0.01
|
≤0.02
|
≤0.05
|
≤0.1
|
IV. Packing:
In galvanized iron or plastic drums of 200kg in net weight
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