JYDY-3- CAS29199- 09-5

  CAS No. 29199-09-5 Molecular Formula C₃₄H₃₄N₄O₄ Molecular Weight 562.66 Purity ≥98.5% Appearance Yellow to Brown Melting Point 197-201℃ English Name 3',6'-Bis(diethylamino)-2-(4-nitrophenyl)spiro[isoindole-1,9'-xanthene]-3-one Chinese Synonym 3',6'-双(二乙氨基)-2-(4-硝基苯基)螺[异吲哚-1,9'-占顿]-3-酮 Molecular Structure Formula   Applications Thermal film, Thermochromic pigment, Thermochromic ink, Thermal paper, etc

YELLOW BLUE RED GREEN