N,N'-(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis[4-[(2-chlorophenyl)azo]-3-hydroxynaphthalene-2-carboxamide]

颜料橙31

Also known as: C.I. Pigment Orange 31, P.O.31, Disazo Orange 4R, Cromophtal Orange 4R, 2-Naphthalenecarboxamide, N,N'-(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis[4-[(2-chlorophenyl)azo]-3-hydroxy-, 2-Naphthalenecarboxamide, N,N'-(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis[4-[2-(2-chlorophenyl)diazenyl]-3-hydroxy-, N,N'-(3,3'-Dichloro(1,1'-biphenyl)-4,4'-diyl)bis(4-((2-chlorophenyl)azo)-3-hydroxy-2-naphthalenecarboxamide)

N,N'-(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis[4-[(2-chlorophenyl)azo]-3-hydroxynaphthalene-2-carboxamide] (CAS 5280-74-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C46H28Cl4N6O4 and a molecular weight of 870.56400 g/mol. It is also known as C.I. Pigment Orange 31, P.O.31 and Disazo Orange 4R. Key property: a density of 1.45g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

5280-74-0

Jingsj CID

J-1353533-3

Molecular Formula

C₄₆H₂₈Cl₄N₆O₄

Chinese Name

颜料橙31

Molecular Weight

870.56400 g/mol

Category

Organic Compounds

Last updated

8/21/2026