3,3'-Dimethyldiphenylamine

3,3'-二甲基二苯胺

Also known as: Di-m-tolylamine, Bis(m-tolyl)amine, 3,3'-Ditolylamine, m,m'-Ditolylamine, N-(3-Methylphenyl)-3-methylbenzenamine, 3,3'-Iminobis(methylbenzene), 3,3'-Iminobistoluene, Benzenamine, 3-methyl-N-(3-methylphenyl)-

3,3'-Dimethyldiphenylamine (CAS 626-13-1) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C14H15N and a molecular weight of 197.276 g/mol. It is also known as Di-m-tolylamine, Bis(m-tolyl)amine and 3,3'-Ditolylamine. Key properties include a melting point of 129-131ºC, a boiling point of 320.1±11.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 153.5±14.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
626-13-1
Jingsj CID
J-38334-1
Molecular Formula
C14H15N
Chinese Name
3,3'-二甲基二苯胺
Molecular Weight
197.276 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point129-131ºC
Boiling Point320.1±11.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point153.5±14.7 °C

Frequently Asked Questions

What is the CAS number of 3,3'-Dimethyldiphenylamine?

The CAS number of 3,3'-Dimethyldiphenylamine is 626-13-1.

What are the molecular formula and molecular weight of 3,3'-Dimethyldiphenylamine?

3,3'-Dimethyldiphenylamine has molecular formula C14H15N and molecular weight 197.276 g/mol.

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

Last updated:

How to cite: Jingsj. "3,3'-Dimethyldiphenylamine (CAS 626-13-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38334-1 (accessed 2026-10-24).

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