苯扎氯铵

（50% 水溶液） EMPROVE^® ESSENTIAL Ph Eur,NF

Assay (EP)47.5 - 52.5 %Assay (NF)95.0 - 105.0 %Identitypasses testAppearance of solutionpasses testAg (Silver)≤ 1 ppmPd (Palladium)*≤ 1 ppmSb (Antimony)≤ 9 ppmAcidic or alkaline impuritiespasses testAmines, amine saltspasses testC₁₂ homologue (EP)≥ 40 %C₁₄ homologue (EP)≥ 20 %Sum of C₁₂ and C₁₄ homologues (EP)≥ 70 %Impurity A≤ 0.5 %Impurity B≤ 0.15 %Impurity C≤ 0.05 %n-C₁₂H₂₅ homologne (NF)≥ 40.0 %n-C₁₄H₂₉ homologne (NF)≥ 20.0 %Sum of n-C₁₂H₂₅ and n-C₁₄H₂₉ homolognes (NF)≥ 70.0 %Benzyl alcohol≤ 0.5 %Benzaldehyde≤ 0.15 %(Chloromethyl)benzene≤ 0.05 %Residual solvents (ICH Q3C)excluded by the production processSulfated ash≤ 0.1 %Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).Corresponds to Ph Eur, NF

Emprove is a registered trademark of Merck KGaA, Darmstadt, Germany