JYDR-1 CAS26628 - 47 - 7

  CAS No. 26628-47-7 Molecular Formula C₂₈H₂₃NO₃ Molecular Weight 421.49 Purity ≥98.5% Appearance Off-white Powder Melting Point 220-223℃ English Name 9-(diethylamino)-Spiro[12H-benzo[a]xanthene-12,1'(3'H)isobenzofuran]-3'-one Chinese Synonym 9-(二乙氨基)螺[12H-苯并[A]占吨-12,1'(3'H)-异苯并呋喃]-3'-酮 Molecular Structure Formula   Applications Thermochromic pigment, Thermochromic ink, Thermal paper