The Polymorphism of Orlyum White 520T, an Ultraviolet Luminescent Security Ink

The Polymorphism of Orlyum White 520T, an Ultraviolet Luminescent Security Ink

The polymorphism of the ultraviolet luminescent security ink Orlyum White 520T (<i>N</i>-(2-(4-oxo-4<i>H</i>-benzo[d][3,1]-oxazin-2-yl)phenyl)naphthalene-2-sulfonamide) is revealed, obtaining two new polymorphic forms with enhanced stability. Beyond the known form (lit. mp. 1...

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Bibliographic Details
Main Authors: János Madarász, Nóra V. May, Petra Bombicz, György Pokol, Richárd Kocsis, Bálint Hegymegi-Barakonyi, Tibor Gizur
Format: Article
Language:English
Published: MDPI AG 2025-04-01
Series:Molecules
Subjects:
structure–property relationship
ultraviolet (UV) fluorescence
single-crystal and powder X-ray diffraction (XRD)
FT-IR spectroscopy
differential scanning calorimetry (DSC)
TG/DTA-MS
Online Access:https://www.mdpi.com/1420-3049/30/8/1671
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