6'-[ethyl(p-tolyl)amino]-2'-methylspiro[isobenzofuran-1(3H),9'-[9H]xanthene]-3-one

6'-[乙基(4-甲基苯基)氨基]-2'-甲基-螺[异苯并呋喃-1(3H),9'-(9H)占吨]-3-酮

Also known as: Red 520, 6'-(N-ethyl-p-toluidino)-2'-methylfluoran, 6'-(N-ethyl-4-methylanilino)-2'-methylfluoran

6'-[ethyl(p-tolyl)amino]-2'-methylspiro[isobenzofuran-1(3H),9'-[9H]xanthene]-3-one (CAS 42228-32-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C30H25NO3 and a molecular weight of 447.52400 g/mol. It is also known as Red 520, 6'-(N-ethyl-p-toluidino)-2'-methylfluoran and 6'-(N-ethyl-4-methylanilino)-2'-methylfluoran. Key properties include a boiling point of 657.1ºC at 760 mmHg, a density of 1.3 g/cm3 and a flash point of 351.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

42228-32-0

Jingsj CID

J-1927486-7

Molecular Formula

C₃₀H₂₅NO₃

Chinese Name

6'-[乙基(4-甲基苯基)氨基]-2'-甲基-螺[异苯并呋喃-1(3H),9'-(9H)占吨]-3-酮

Molecular Weight

447.52400 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026