9-(Diethylamino)spiro[12H-benzo[a]xanthene-12,1'(3'H)-isobenzofuran]-3'-one

9-(二乙氨基)螺[12H-苯并[a]占吨-12,1'(3'H)-异苯并呋喃]-3'-酮

Also known as: 6'-(Diethylamino)-1',2'-benzofluoran, 3-Diethylaminobenzo[a]fluoran, Spiro[isobenzofuran-1(3H),12'-[12H]benzo[a]xanthene]-9'-diethylamino-3-one, 9'-(diethylamino)-3H-spiro[2-benzofuran-1,12'-benzo[a]xanthen]-3-one, Red DCF, Color Former Red 3, Copikem 747, Yamamoto Red 3

9-(Diethylamino)spiro[12H-benzo[a]xanthene-12,1'(3'H)-isobenzofuran]-3'-one (CAS 26628-47-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C28H23NO3 and a molecular weight of 421.487 g/mol. It is also known as 6'-(Diethylamino)-1',2'-benzofluoran, 3-Diethylaminobenzo[a]fluoran and Spiro[isobenzofuran-1(3H),12'-[12H]benzo[a]xanthene]-9'-diethylamino-3-one. Key properties include a melting point of 221ºC, a boiling point of 642.4±55.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 342.3±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

26628-47-7

Jingsj CID

J-46589-2

Molecular Formula

C₂₈H₂₃NO₃

Chinese Name

9-(二乙氨基)螺[12H-苯并[a]占吨-12,1'(3'H)-异苯并呋喃]-3'-酮

Molecular Weight

421.487 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026