| CAS No.: | 872-50-4 |
|---|---|
| Formula: | C5h9no |
| EINECS: | 212-828-1 |
| Type: | Synthesis Material Intermediates |
| Appearance: | Liquid |
| Quality: | Industrial |
| Customization: |
|---|
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Audited Supplier N-Methyl-2-pyrrolidone with Solvent and extractant CAS 872-50-4
| N-Methyl-2-pyrrolidone Basic information | |
| Product Name: | N-Methyl-2-pyrrolidone |
| CAS: | 872-50-4 |
| MF: | C5H9NO |
| MW: | 99.13 |
| EINECS: | 212-828-1 |
| Mol File: | 872-50-4.mol |
| N-Methyl-2-pyrrolidone Chemical Properties | |
| Melting point | -24 °C (lit.) |
| Boiling point | 202 °C (lit.) 81-82 °C/10 mmHg (lit.) |
| density | 1.028 g/mL at 25 °C (lit.) |
| vapor density | 3.4 (vs air) |
| vapor pressure | 0.29 mm Hg ( 20 °C) |
| refractive index | n20/D 1.479 |
| Fp | 187 °F |
| storage temp. | Store at +5°C to +30°C. |
| solubility | ethanol: miscible0.1ML/mL, clear, colorless (10%, v/v) |
| form | Liquid |
| pka | -0.41±0.20(Predicted) |
| color | ≤20(APHA) |
| Odor | Slight amine odor |
| PH | 8.5-10.0 (100g/l, H2O, 20ºC) |
| PH Range | 7.7 - 8.0 |
| explosive limit | 1.3-9.5%(V) |
| Water Solubility | >=10 g/100 mL at 20 ºC |
| λmax | 283nm(MeOH)(lit.) |
| Sensitive | Hygroscopic |
| Merck | 146,117 |
| BRN | 106420 |
| Appearance Active content |
% | Light transparent liquid 98 min |
Light transparent liquid 99 |
|
| PH(1% water solution) | 6.0 - 8.0 | 7.16 | ||
| Amine salt | % | 2.0 max | 1.24 | |
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