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Organic Intermediate/Raw materials

2-Pyrrolidinone CAS 616-45-5

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Product Name: 2-Pyrrolidinone


Butyrolactam; 2-Oxopyrrolidine

Molecular Structure:


Item Specifications
CAS No. 616-45-5
Molecular Formula C4H7NO
Molecular Weight 85.10
Appearance Colorless or slightly yellow transparent liquid or crystal
Purity, % ≥ 99.50
Moisture, % ≤ 0.1
Chroma, APHA ≤ 10
Refractive index 1.4820-1.4860
GBL content, % ≤ 0.1
Impurity, % ≤ 1.5

Packing: 200kg/Bag



2-Pyrrolidone is an important chemical raw material and strong polar organic solvent, widely used in industries such as pharmaceuticals, textiles, cosmetics, solvents, and electronic cleaning.


  1. As an organic synthesis raw material and intermediate, it is mainly used in Polyvinylpyrrolidone, Naofukang γ- Aminobutyric acid, Nylon 4, Polyamide fiber, etc
  2. As a solvent, it is mainly used in synthetic resins, pesticides, polyols, inks and iodine.


Stored in a cool dry and ventilated place.


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