Tesaurus d'Art i Arquitectura Getty Institute 0000-00-00 2024-01-24 15:40:44 en indanthrone blue300013305blue, indanthroneindanthrene A synthetic blue anthraquinone dye, rarely used because it is similar in hue to the less expensive phthalocyanine blue. Indanthrone blue was first prepared as an anthraquinone derivative of indigo by Rene Bohn in 1901; he named the colorant indanthrene, but the name was changed to indanthrone when Indanthrene became a brand name. azul indranteno blau d'indantrè 2026-03-30 20:57:56