La presencia de alcohol bencílico (1061901 | CAS 100-51-6) como impureza se caracteriza por su naturaleza aromática y polar | su punto de ebullición elevado y su capacidad para alterar propiedades fisicoquímicas del producto final; suele originarse en reacciones incompletas | degradación de ésteres o contaminación por solventes. Su identificación y cuantificación se realizan mediante cromatografía de gases con MS o FID y HPLC con detección apropiada | complementadas por espectroscopía IR y NMR. Incluso en niveles bajos puede afectar estabilidad | olor | color y reactividad | por lo que su control suele implicar destilación fraccionada a vacío | extracción selectiva o adsorción en carbón activo y especificaciones analíticas estrictas.
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