N,N'-Di-p-tolylbenzidine

Also known as: N,N'-Bis(4-methylphenyl)benzidine, N,N'-Bis(4-methylphenyl)-[1,1'-biphenyl]-4,4'-diamine, N,N'-Bis(4-methylphenyl)biphenyl-4,4'-diamine, N,N'-Di-(4-methyl-phenyl)-benzidine, N4,N4'-Di-p-tolyl-[1,1'-biphenyl]-4,4'-diamine, 4-methyl-N-[4-[4-(4-methylanilino)phenyl]phenyl]aniline, K0067

N,N'-Di-p-tolylbenzidine (CAS 10311-61-2) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C26H24N2 and a molecular weight of 364.482 g/mol. Key properties include a melting point of 231-233ºC, a boiling point of 562.5±45.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 355.6±20.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 10311-61-2
Jingsj CID: J-1340856-5
Molecular Formula: C₂₆H₂₄N₂
Molecular Weight: 364.482 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	231-233ºC
Boiling Point	562.5±45.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	355.6±20.5 °C
Exact Mass	364.193939
PSA	24.06000
LogP	7.01
Vapor Pressure	0.0±1.5 mmHg at 25°C
Refractive Index	1.670

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'-Di-p-tolylbenzidine?

The CAS number of N,N'-Di-p-tolylbenzidine is 10311-61-2.

What are the molecular formula and molecular weight of N,N'-Di-p-tolylbenzidine?

N,N'-Di-p-tolylbenzidine has molecular formula C26H24N2 and molecular weight 364.482 g/mol.

What are the upstream and downstream products of N,N'-Di-p-tolylbenzidine?

For N,N'-Di-p-tolylbenzidine, Upstream Products: 4,4'-Diiodobiphenyl, p-Toluidine, Chlorotriphenylsilane.

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'-Di-p-tolylbenzidine (CAS 10311-61-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1340856-5 (accessed 2026-11-09).

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