A 2-cloroetil isocianato (CAS 1943-83-5) como impureza apresenta alta reatividade com umidade e nucleófilos | provocando hidrólise e formação de produtos secundários corrosivos e tóxicos que comprometem pureza e estabilidade de lotes. Sua presença em níveis traço exige monitoramento por técnicas sensíveis como GC-MS e LC-MS/MS com preparação adequada de amostras e padrões internos. Controles de qualidade devem definir limites de especificação | procedimentos de neutralização e remoção por destilação a vácuo ou adsorção. Considerações toxicológicas e de segurança ocupacional tornam crítica a quantificação precisa e a validação de métodos analíticos para cumprimento regulatório.
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