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 Properties
| M | 99.13 |
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| D | 1.03 |
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| b.p | 204 °C |
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| m.p | -24 °C |
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Product Specification
| Appearance | Clear colorless liquid |
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| Assay (GC, on anhydrous basis) | min. 99.9% |
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| Refractive index (20/D) | 1.469-1.471 |
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| Water (KF) | max. 0.05%w/w |
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| UV cutoff wavelength | 190-269nm |
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| T285nm | min. 60% |
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| T300nm | min. 85% |
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| T320nm | min. 90% |
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| T>350nm | min. 98% |
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| Headspace test for O.V.I's | Passes HS test for O.V.I's |
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