N,N-Dimethyl-4-[(4-nitrophenyl)diazenyl]aniline

4'-硝基-4-二甲氨基偶氮苯

Also known as: 4'-NITRO-4-DIMETHYLAMINOAZOBENZENE, 4-Dimethylamino-4'-nitroazobenzene, 4-(Dimethylamino)-4'-nitroazobenzene, N,N-Dimethyl-4-[(4-nitrophenyl)azo]aniline, Benzenamine, N,N-dimethyl-4-[(4-nitrophenyl)azo]-, p-Dimethylamino-p'-nitroazobenzene, p-Nitrobenzeneazodimethylaniline

N,N-Dimethyl-4-[(4-nitrophenyl)diazenyl]aniline (CAS 2491-74-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H14N4O2 and a molecular weight of 270.28700 g/mol. It is also known as 4'-NITRO-4-DIMETHYLAMINOAZOBENZENE, 4-Dimethylamino-4'-nitroazobenzene and 4-(Dimethylamino)-4'-nitroazobenzene. Key properties include a melting point of 229ºC, a boiling point of 449.6ºC at 760mmHg, a density of 1.2g/cm3 and a flash point of 225.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2491-74-9
Jingsj CID
J-24760-9
Molecular Formula
C14H14N4O2
Chinese Name
4'-硝基-4-二甲氨基偶氮苯
Molecular Weight
270.28700 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point229ºC
Boiling Point449.6ºC at 760mmHg
Density1.2g/cm3
Flash Point225.7ºC

Frequently Asked Questions

What is the CAS number of N,N-Dimethyl-4-[(4-nitrophenyl)diazenyl]aniline?

The CAS number of N,N-Dimethyl-4-[(4-nitrophenyl)diazenyl]aniline is 2491-74-9.

What are the molecular formula and molecular weight of N,N-Dimethyl-4-[(4-nitrophenyl)diazenyl]aniline?

N,N-Dimethyl-4-[(4-nitrophenyl)diazenyl]aniline has molecular formula C14H14N4O2 and molecular weight 270.28700 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "N,N-Dimethyl-4-[(4-nitrophenyl)diazenyl]aniline (CAS 2491-74-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24760-9 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.