| Formula / Notation | C5H9NO |
|---|---|
| CAS Number | 872-50-4 |
| Molecular Weight | 99.13 |
| Melting Point | -9 °F (NTP, 1992) |
| Boiling Point | 396 °F at 760 mmHg (NTP, 1992) |
| Density | 1.03 at 77 °F (USCG, 1999) - Denser than water; will sink |
| Solubility | greater than or equal to 100 mg/mL at 68 °F (NTP, 1992) |
| Appearance | N-methyl-2-pyrrolidone appears as a clear colorless liquid with a "fishlike" odor. Denser than water. Flash point 199 °F. Contact may irritate skin, eyes and mucous membranes. May be toxic by inge... |
| Also Known As | 1-methylpyrrolidin-2-one; 1-METHYL-2-PYRROLIDINONE; 872-50-4; N-Methylpyrrolidone; N-Methyl-2-pyrrolidinone; Methylpyrrolidone; 1-Methyl-2-pyrrolidone; Methyl pyrrolidone; 1-Methylpyrrolidone; N-Methylpyrrolidinone |
| Category | Solvents |
What is N-Methyl-2-pyrrolidone?
N-Methylpyrrolidone can cause developmental toxicity according to The Environmental Protection Agency (EPA).
Formula & Notation
IUPAC Name: 1-methylpyrrolidin-2-one
Other Names / Synonyms: 1-methylpyrrolidin-2-one; 1-METHYL-2-PYRROLIDINONE; 872-50-4; N-Methylpyrrolidone; N-Methyl-2-pyrrolidinone; Methylpyrrolidone; 1-Methyl-2-pyrrolidone; Methyl pyrrolidone; 1-Methylpyrrolidone; N-Methylpyrrolidinone
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | -9 °F (NTP, 1992) |
| Boiling Point | 396 °F at 760 mmHg (NTP, 1992) |
| Density | 1.03 at 77 °F (USCG, 1999) - Denser than water; will sink |
| Molecular Weight | 99.13 |
| Solubility | greater than or equal to 100 mg/mL at 68 °F (NTP, 1992) |
| Appearance | N-methyl-2-pyrrolidone appears as a clear colorless liquid with a "fishlike" odor. Denser than water. Flash point 199 °F. Contact may irritate skin, eyes and mucous membranes. May be toxic by inge... |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
N-Methylpyrrolidone can cause developmental toxicity according to The Environmental Protection Agency (EPA).
Used as a reaction solvent in organic synthesis, extraction solvent, cleaning agent, or in pharmaceutical manufacture.
Flammable solvent. Keep away from heat, sparks, and open flame. Use in well-ventilated area or fume hood. Consult SDS before use.
The formula or notation for N-Methyl-2-pyrrolidone is: C5H9NO