4-[Bis(4-methylphenyl)amino]benzaldehyde

Also known as: 4-(Di-p-tolylamino)benzaldehyde, 4-Formyl-4',4''-dimethyltriphenylamine, 4-[Bis(4-methylphenyl)amino]benzaldehyde, Benzaldehyde, 4-[bis(4-methylphenyl)amino]-, MFCD03093257, EINECS 255-996-1, N-(4-Formylphenyl)-N,N-bis(4-methylphenyl)amine, 4-(Bis(p-tolyl)amino)benzaldehyde, p-[N,N-Di-p-tolylamino]benzaldehyde, 4-(4-methyl-N-(4-methylphenyl)anilino)benzaldehyde

4-[Bis(4-methylphenyl)amino]benzaldehyde (CAS 42906-19-4) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C21H19NO and a molecular weight of 301.382 g/mol. Key properties include a melting point of 109 °C, a boiling point of 470.5±45.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 182.4±18.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 42906-19-4
Jingsj CID: J-1504134-6
Molecular Formula: C₂₁H₁₉NO
Molecular Weight: 301.382 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	109 °C
Boiling Point	470.5±45.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	182.4±18.1 °C
Exact Mass	301.146667
PSA	20.31000
LogP	6.14
Vapor Pressure	0.0±1.2 mmHg at 25°C
Refractive Index	1.649

Customs & Trade Information

HS Code	2922399090
Summary	2922399090 other amino-aldehydes, amino-ketones and amino-quinones, other than those containing more than one kind of oxygen function; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-[Bis(4-methylphenyl)amino]benzaldehyde?

The CAS number of 4-[Bis(4-methylphenyl)amino]benzaldehyde is 42906-19-4.

What are the molecular formula and molecular weight of 4-[Bis(4-methylphenyl)amino]benzaldehyde?

4-[Bis(4-methylphenyl)amino]benzaldehyde has molecular formula C21H19NO and molecular weight 301.382 g/mol.

What are the upstream and downstream products of 4-[Bis(4-methylphenyl)amino]benzaldehyde?

For 4-[Bis(4-methylphenyl)amino]benzaldehyde, Upstream Products: 4,4'-Dimethyltriphenylamine, N,N-Dimethylformamide, 1,10-Phenanthroline.

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. "4-[Bis(4-methylphenyl)amino]benzaldehyde (CAS 42906-19-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1504134-6 (accessed 2026-11-09).

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