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4-Phenylazomaleinanil

4-苯氮霉素

Also known as: 1-[4-(Phenylazo)phenyl]-1H-pyrrole-2,5-dione, 1-[4-(2-Phenyldiazenyl)phenyl]-1H-pyrrole-2,5-dione, N-(p-Phenylazophenyl)maleimide, 4-(N-Maleimido)azobenzene, p-Phenylazomaleinanil, ASISCHEM D13285, MFCD00005506, EINECS 240-330-4

4-Phenylazomaleinanil (CAS 16201-96-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C16H11N3O2 and a molecular weight of 277.27700 g/mol. It is also known as 1-[4-(Phenylazo)phenyl]-1H-pyrrole-2,5-dione, 1-[4-(2-Phenyldiazenyl)phenyl]-1H-pyrrole-2,5-dione and N-(p-Phenylazophenyl)maleimide. Key properties include a melting point of 162-165ºC, a boiling point of 475.1ºC at 760mmHg, a density of 1.26g/cm3 and a flash point of 241.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
16201-96-0
Jingsj CID
J-4826-0
Molecular Formula
C16H11N3O2
Chinese Name
4-苯氮霉素
Molecular Weight
277.27700 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point162-165ºC
Boiling Point475.1ºC at 760mmHg
Density1.26g/cm3
Flash Point241.1ºC

Frequently Asked Questions

What is the CAS number of 4-Phenylazomaleinanil?

The CAS number of 4-Phenylazomaleinanil is 16201-96-0.

What are the molecular formula and molecular weight of 4-Phenylazomaleinanil?

4-Phenylazomaleinanil has molecular formula C16H11N3O2 and molecular weight 277.27700 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Phenylazomaleinanil (CAS 16201-96-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4826-0 (accessed 2026-10-23).

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