C5H9NO
N-Methyl-2-Pyrrolidone Headspace
GC-Headspace grade N-Methyl-2-pyrrolidone specifically produced and purified to analyse OVI - Organic Volatile Impurities. Its quality makes it suitable for use according to the ICH, USP & EP methods. For all production batches, a test is performed to ensure the absence of interfering peaks during GC-analysis.
Main characteristics
| M | 99.13 |
|---|---|
| D | 1.03 |
| b.p | 204 °C |
| m.p | -24 °C |
Product specificities
| Appearance | Clear colorless liquid |
|---|---|
| Assay (GC, on anhydrous basis) | min. 99.9% |
| Refractive index (20/D) | 1.469-1.471 |
| Water (KF) | max. 0.05%w/w |
| UV cutoff wavelength | 190-269nm |
| T285nm | min. 60% |
| T300nm | min. 85% |
| T320nm | min. 90% |
| T>350nm | min. 98% |
| Headspace test for O.V.I's | Passes HS test for O.V.I's |
