organic volatile impurities, complies (GC)
oxidizing substances, complies
reducing matter, complies
acidic reac. impurities, complies
≤0.0005% heavy metals (as Pb)
≤0.003% free acid (as CH3COOH)
≤0.2% water (Karl Fischer)
residual solvents, complies
≤0.002% free alkali (as NaOH)