Bis(3,4-dimethylphenyl)amine

双(3,4-二甲基苯基)胺

Also known as: N-(3,4-dimethylphenyl)-3,4-dimethylaniline, 3,3',4,4'-tetramethyldiphenylamine, Bis-(3,4-dimethyl-phenyl)-amine, di(3,4-dimethylphenyl)amine, N,N-bis(3,4-dimethylphenyl)amine

Bis(3,4-dimethylphenyl)amine (CAS 55389-75-8) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C16H19N and a molecular weight of 225.32900 g/mol. It is also known as N-(3,4-dimethylphenyl)-3,4-dimethylaniline, 3,3',4,4'-tetramethyldiphenylamine and Bis-(3,4-dimethyl-phenyl)-amine. Key properties include a melting point of 110°C(lit.), a boiling point of 367ºC at 760 mmHg and a density of 1.021 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 55389-75-8
Jingsj CID: J-1511716-2
Molecular Formula: C₁₆H₁₉N
Chinese Name: 双(3,4-二甲基苯基)胺
Molecular Weight: 225.32900 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	110°C(lit.)
Boiling Point	367ºC at 760 mmHg
Density	1.021 g/cm3

Frequently Asked Questions

What is the CAS number of Bis(3,4-dimethylphenyl)amine?

The CAS number of Bis(3,4-dimethylphenyl)amine is 55389-75-8.

What are the molecular formula and molecular weight of Bis(3,4-dimethylphenyl)amine?

Bis(3,4-dimethylphenyl)amine has molecular formula C16H19N and molecular weight 225.32900 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. "Bis(3,4-dimethylphenyl)amine (CAS 55389-75-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1511716-2 (accessed 2026-10-22).

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