4-(Diphenylamino)benzaldehyde

4-二苯胺基苯甲醛

Also known as: 4-(N,N-Diphenylamino)benzaldehyde, 4-Diphenylaminobenzaldehyde, 4-Formyltriphenylamine, p-Formyltriphenylamine, 4-Diphenylamino-benzaldehyde, 4-Diphenylamino Benzaldehyde, Benzaldehyde, 4-(diphenylamino)-, P-Formyltriphenylamine, P-N,N-Diphenylamino-benzaldehyde, 4-(N-phenylanilino)benzaldehyde, 4-(diphenylamino)-benzaldehyd

4-(Diphenylamino)benzaldehyde (CAS 4181-05-9) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C19H15NO and a molecular weight of 273.328 g/mol. It is also known as 4-(N,N-Diphenylamino)benzaldehyde, 4-Diphenylaminobenzaldehyde and 4-Formyltriphenylamine. Key properties include a melting point of 129-133 °C(lit.), a boiling point of 436.8±28.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 171.2±13.4 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4181-05-9
Jingsj CID
J-45203-4
Molecular Formula
C19H15NO
Chinese Name
4-二苯胺基苯甲醛
Molecular Weight
273.328 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point129-133 °C(lit.)
Boiling Point436.8±28.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point171.2±13.4 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4-(Diphenylamino)benzaldehyde?

The CAS number of 4-(Diphenylamino)benzaldehyde is 4181-05-9.

What are the molecular formula and molecular weight of 4-(Diphenylamino)benzaldehyde?

4-(Diphenylamino)benzaldehyde has molecular formula C19H15NO and molecular weight 273.328 g/mol.

Is 4-(Diphenylamino)benzaldehyde hazardous?

4-(Diphenylamino)benzaldehyde has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "4-(Diphenylamino)benzaldehyde (CAS 4181-05-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45203-4 (accessed 2026-10-22).

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