La impureza 2 | 4 | 5-Trifluorobenzyl Methanol (CAS 144284-25-3) aparece como subproducto en rutas de derivatización de anillos aromáticos y puede permanecer como contaminante en intermedios fluorados. Su perfil analítico incluye señales detectables por GC-MS y LC-MS | además de resonancias características en RMN de 19F que facilitan su identificación y cuantificación. El control de calidad debe centrarse en límites especificados por proyecto | habitualmente por debajo de 0 | 5% en materia prima | y en pruebas de estabilidad para evitar oxidación o hidrólisis durante almacenamiento. Se recomiendan condiciones de conservación anhidras y trazas de aire minimizadas para reducir su formación y efectos en reacciones posteriores.
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