Etoxibenzeno (CAS 103-73-1) | também referido como etil fenil éter | é uma impureza orgânica com ponto de ebulição relativamente baixo e alta volatilidade que pode afetar processos sintéticos e especificações de produtos finais. Como contaminante | pode originar-se de reações de etoxilação incompletas ou de degradação de intermediários aromáticos. A presença é normalmente monitorada por GC ou GC-MS e quantificada para atender limites de pureza; traços podem alterar propriedades sensoriais e estabilidade. Métodos de remoção incluem destilação fracionada e lavagem com solvente | sendo o controlo essencial para conformidade regulatória em lotes industriais.
Referências
Zafarani-Moattar, Mohammed Taghi, and Saeedeh Dehghanian. “Intermolecular Interactions in Mixtures of Poly (Ethylene Glycol) with Methoxybenzene and Ethoxybenzene: Volumetric and Viscometric Studies.†The Journal of Chemical Thermodynamics, vol. 71, Apr. 2014, pp. 221–30, https://doi.org/10.1016/j.jct.2013.12.008. ?Tiwari, Sugriva Nath, et al. “Physico-Chemical Properties, Frontier Orbitals and Spectral Study of a Nematogen: 4-n-Ethoxy-4’-Cyanobiphenyl and Its Two Constituents.†Materials Today
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