N,N'-Diphenylbenzidine

N,N'-二苯基联苯二胺

Also known as: N,N'-Diphenyl-1,1'-biphenyl-4,4'-diamine, N,N'-Diphenyl-4,4'-biphenyldiamine, N,N'-Diphenylbiphenyl-4,4'-diamine, 4,4'-Dianilinobiphenyl, Benzidine, N,N'-diphenyl-, [1,1'-Biphenyl]-4,4'-diamine, N,N'-diphenyl-, N,N'-(1,1'-Biphenyl-4,4'-diyl)bisaniline, MFCD00003016, EINECS 208-521-7

N,N'-Diphenylbenzidine (CAS 531-91-9) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C24H20N2 and a molecular weight of 336.429 g/mol. It is also known as N,N'-Diphenyl-1,1'-biphenyl-4,4'-diamine, N,N'-Diphenyl-4,4'-biphenyldiamine and N,N'-Diphenylbiphenyl-4,4'-diamine. Key properties include a melting point of 246-248 °C(lit.), a boiling point of 535.0±43.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 342.0±19.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

531-91-9

Jingsj CID

J-27363-1

Molecular Formula

C₂₄H₂₀N₂

Chinese Name

N,N'-二苯基联苯二胺

Molecular Weight

336.429 g/mol

Category

Organic Bases

Last updated

8/21/2026