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.
|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|
|Headspace test for O.V.I's||Passes HS test for O.V.I's|