Impureza ácido 2 | 2-dibromopropanoico (2 | 2-dibromopropanoic acid | CAS 594-48-9) é um subproduto halogenado frequentemente detectado em processos de síntese que envolvem bromação de compostos propanoicos. Esta impureza apresenta alta reatividade eletrófila e acidez aumentada | podendo catalisar reações secundárias | desativar catalisadores e comprometer rendimento e pureza do produto final. A identificação e quantificação são recomendadas por HPLC acoplado a MS | GC-MS | RMN e espectroscopia IR | com limites de controle em níveis de ppm conforme normas regulatórias. Medidas de controle incluem purificação por cromatografia | recristalização e condições de armazenamento anidro e refrigerado para minimizar formação e decomposição.
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