2-cloroetanol (CAS 107-07-3) como impureza representa risco crítico em lotes por sua baixa massa molecular | alta miscibilidade em água e reatividade com nucleófilos | podendo interferir em etapas sintéticas e em análises de pureza; possui toxicidade aguda que exige monitoramento rigoroso. O controle analítico inclui GC | GC-MS e NMR para quantificação e identificação de traços | complementados por HPLC e espectroscopia infra vermelho para perfilagem. A gestão de impurezas envolve limites especificados conforme diretrizes regulatórias | validação de métodos analíticos | amostragem representativa e estratégias de redução na síntese e armazenamento para minimizar degradação e contaminação cruzada.
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