Compound Q&A

Is 1-Methyl-2-pyrrolidinone (CAS: 872-50-4) safe?

Answer

1-Methyl-2-pyrrolidinone
1-Methyl-2-pyrrolidinone (NMP) is generally considered safe when handled properly, but it requires adherence to safety protocols. It is classified as a potential irritant, with possible effects on the skin, eyes, and respiratory system. Prolonged exposure may cause dermatitis or mucous membrane irritation, so protective measures like gloves, goggles, and ventilation are essential. According to OSHA and EPA guidelines, NMP should be stored and used in well-ventilated areas to minimize health risks. While not classified as a carcinogen, it is important to follow safety standards to ensure safe handling in industrial and laboratory settings.

About

CAS No 872-50-4
English Name 1-Methyl-2-pyrrolidinone
Molecular Formula C5H9NO
Molecular Weight 99.13 g/mol
SMILES CN1CCCC1=O
InChIKey SECXISVLQFMRJM-UHFFFAOYSA-N
Last Updated: 2025-08-25 01:07

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