p-Amino-4,2′-azotoluene

对氨基-4,2′-偶氮甲苯

Also known as: Benzenamine, 3-methyl-4-[(4-methylphenyl)azo]-, 3-methyl-4-[(4-methylphenyl)diazenyl]aniline, 4′-Amino-4,2′-azotoluene, 4-Amino-2,4'-dimethylazobenzene, 4-(p-Tolylazo)-m-toluidine, 6-p-Toluolazo-3-amino-toluol, p-Toluol-azo-m-toluidin, 3-methyl-4-p-tolylazo-aniline

p-Amino-4,2′-azotoluene (CAS 3963-79-9) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C14H15N3 and a molecular weight of 225.28900 g/mol. It is also known as Benzenamine, 3-methyl-4-[(4-methylphenyl)azo]-, 3-methyl-4-[(4-methylphenyl)diazenyl]aniline and 4′-Amino-4,2′-azotoluene. Key properties include a boiling point of 398ºC at 760 mmHg, a density of 1.09g/cm3 and a flash point of 194.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3963-79-9
Jingsj CID: J-1439946-6
Molecular Formula: C₁₄H₁₅N₃
Chinese Name: 对氨基-4,2′-偶氮甲苯
Molecular Weight: 225.28900 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	398ºC at 760 mmHg
Density	1.09g/cm3
Flash Point	194.5ºC

Frequently Asked Questions

What is the CAS number of p-Amino-4,2′-azotoluene?

The CAS number of p-Amino-4,2′-azotoluene is 3963-79-9.

What are the molecular formula and molecular weight of p-Amino-4,2′-azotoluene?

p-Amino-4,2′-azotoluene has molecular formula C14H15N3 and molecular weight 225.28900 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "p-Amino-4,2′-azotoluene (CAS 3963-79-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1439946-6 (accessed 2026-10-25).

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