≤0.001% non-volatile matter
≤0.002% carbonyl compounds (as propionaldehyde)
≤0.1% methanol (GC)
≤0.1% water (Karl Fischer)
≤0.00034% peroxides (as H2O2)
≤0.002% carbonyl compounds (as acetone)
≤0.01% ethanol (GC)
≤0.00017% free alkali (as NH3)
≤0.0005% KMnO4 red. matter (as O)
≤0.00074% free acid (as C2H5COOH)