N,N,N',N'-Tetrakis(4-methylphenyl)-benzidine

Also known as: N,N,N',N'-Tetrakis(p-tolyl)benzidine, N,N,N',N'-Tetra(p-tolyl)benzidine, N,N,N',N'-Tetra(4-methylphenyl)-benzidine, N,N,N',N'-Tetrakis(4-methylphenyl)-4,4'-biphenyldiamine, N,N,N',N'-Tetrakis(4-methylphenyl)biphenyl-4,4'-diamine, N4,N4,N4',N4'-tetra-p-tolyl-[1,1'-biphenyl]-4,4'-diamine, TM-TPB, TMTPD, TP-TPD, N,N,N',N'-Tetrakis(4-methylphenyl)benzidine

N,N,N',N'-Tetrakis(4-methylphenyl)-benzidine (CAS 76185-65-4) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C40H36N2 and a molecular weight of 544.727 g/mol. Key properties include a melting point of 218 °C, a boiling point of 701.7±60.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 310.7±20.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 76185-65-4
Jingsj CID: J-38663-6
Molecular Formula: C₄₀H₃₆N₂
Molecular Weight: 544.727 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	218 °C
Boiling Point	701.7±60.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	310.7±20.7 °C
Exact Mass	544.287842
PSA	6.48000
LogP	12.86
Vapor Pressure	0.0±2.2 mmHg at 25°C
Refractive Index	1.659

Customs & Trade Information

HS Code	2921590090
Summary	2921590090. other aromatic polyamines and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of N,N,N',N'-Tetrakis(4-methylphenyl)-benzidine?

The CAS number of N,N,N',N'-Tetrakis(4-methylphenyl)-benzidine is 76185-65-4.

What are the molecular formula and molecular weight of N,N,N',N'-Tetrakis(4-methylphenyl)-benzidine?

N,N,N',N'-Tetrakis(4-methylphenyl)-benzidine has molecular formula C40H36N2 and molecular weight 544.727 g/mol.

What are the upstream and downstream products of N,N,N',N'-Tetrakis(4-methylphenyl)-benzidine?

For N,N,N',N'-Tetrakis(4-methylphenyl)-benzidine, Upstream Products: 4-Bromo-N,N-bis(4-methylphenyl)aniline, 4,4'-Dibromobiphenyl, Di-p-tolylamine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "N,N,N',N'-Tetrakis(4-methylphenyl)-benzidine (CAS 76185-65-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38663-6 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.