Production method of 2-pyrrolidone CAS 616-45-5
Can be γ- Butyrolactone was obtained by ammoniation. Maleic anhydride can also be obtained by one-step hydrogenation and ammoniation with a yield of 90-92%.
Application field of 2-pyrrolidone CAS 616-45-5
α- Pyrrolidone is an important chemical raw material. It is widely used in medicine, textile, dyes, coatings, cosmetics and other industries, such as the manufacture of Naofukang, nylon 4, polyvinylpyrrolidone, artificial plasma and so on. It can also be used in organic synthesis (such as 1-vinyl-2-pyrrolidone, etc.), as solvent, etc.
Technical index of 2-pyrrolidone CAS 616-45-5
| Item | Super grade
|
First grade
|
Assay %(m/m)
|
≥99.5
|
≥99.0
|
Water %(m/m)
|
≤0.3
|
≤0.5
|
Refractive nD
|
1.4830～1.4850
|
1.4830～1.4850
|
Density 20C(g/ml)
|
1.097～1.117
|
1.097～1.117
|
Appearance
|
Clear liquid
|
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