1-Methyl-2-pyrrolidinone
SIGALD/443778 - ACS reagent, ≥99.0%
Synonym: 1-
CAS Number: 872-50-4
Empirical Formula (Hill Notation): C5H9NO
Molecular Weight: 99.13
EC Number: 212-828-1
MDL Number: MFCD00003193
Linear Formula: C5H9NO
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 443778-1L.
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 443778-500ML.
| anion traces | chloride (Cl-): ≤1 ppm |
| assay | ≥99.0% |
| autoignition temp. | 518 °F |
| bp | 202 °C (lit.) |
| 81-82 °C/10 mmHg (lit.) | |
| color | APHA: ≤50 |
| density | 1.028 g/mL at 25 °C (lit.) |
| dilution | (for analytical testing) |
| expl. lim. | 9.5 % |
| form | liquid |
| grade | ACS reagent |
| impurities | ≤0.01% Free amines (as CH3NH2) |
| ≤0.05% water | |
| InChI | 1S/C5H9NO/c1-6-4-2-3-5(6) |
| InChI key | SECXISVLQFMRJM-UHFFFAOYSA |
| mp | −24 °C (lit.) |
| pH | 7.7-10.0 (20 °C, 100 g/L) |
| Quality Level | 200  |
| refractive index | n |
| SMILES string | CN1CCCC1=O |
| solubility | acetone: miscible(lit.) |
| alcohol: miscible(lit.) | |
| benzene: miscible(lit.) | |
| chloroform: miscible(lit.) | |
| ethyl acetate: miscible(lit.) | |
| water: miscible(lit.) | |
| vapor density | 3.4 (vs air) |
| vapor pressure | 0.29 mmHg ( 20 °C) |
| 0.99 mmHg ( 40 °C) |
| Application: | 1-Methyl-2-pyrrolidinone may be used as: • An alternative eluent to THF in the size exclusion chromatography (SEC) based resolution of coal-derived liquids. • Reaction medium to prepare 2-aryl and 2-alkyl benzothiazoles. • A solvent in the ultrasonic preparation of metal organic framework (MOF-177) crystals. It may be used to synthesize single-phase chalcopyrite CuInSe2 nanocrystals and potassium 3-methyl-2-oxo-pyrrolidin |
| General description: | Our premium ACS solvents are ideal for routine chemical synthesis, drying, purification, and critical labware cleaning. They meet or exceed the rigorous standards of the American Chemical Society (ACS), ensuring high-quality results for your research needs. Premium ACS Solvents: Our solvents meet or exceed the stringent standards set by the American Chemical Society, ensuring high quality and reliability for your laboratory applications. Replicable and Publishable Results: Designed for consistency, our solvents deliver results that can be reliably reproduced, making them ideal for research that requires publication. Versatile Applications: Suitable for routine chemical synthesis, drying, purification, and critical labware cleaning, our solvents cater to a wide range of research needs in the laboratory. |
| Packaging: | 1, 2.5 L in glass bottle |
| Packaging: | 18 L in steel drum |
| Packaging: | 500 mL in glass bottle |
| Packaging: | View returnable container options . |
| Symbol |   GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H315 - H319 - H335 - H360FD |
| Precautionary statements | P202 - P261 - P264 - P302 + P352 - P305 + P351 + P338 - P308 + P313 |
| Hazard Codes | T |
| Risk Statements | 61-36/37/38 |
| Safety Statements | 53-45 |
| WGK Germany | WGK 1 |
| Flash Point(F) | 195.8 °F - Pensky-Martens c |
| Flash Point(C) | 91 °C - Pensky-Martens clos |
| Purity | ≥99.0% |
| bp | 202 °C (lit.); 81-82 °C/10 mmHg (lit.) |
| mp | −24 °C (lit.) |
| Density | 1.028 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352005 |