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Benzaldehyde 2,4-dinitrophenylhydrazone

苯甲醛 2,4-二硝基苯基腙

Also known as: Benzaldehyde-2,4-DNPH, Benzaldehyde-2,4-dinitrophenylhydrazone, Benzaldehyde, 2-(2,4-dinitrophenyl)hydrazone, 2,4-Dinitrophenylhydrazone of benzaldehyde, NSC 3863, MFCD00156353

Benzaldehyde 2,4-dinitrophenylhydrazone (CAS 1157-84-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C13H10N4O4 and a molecular weight of 286.24300 g/mol. It is also known as Benzaldehyde-2,4-DNPH, Benzaldehyde-2,4-dinitrophenylhydrazone and Benzaldehyde, 2-(2,4-dinitrophenyl)hydrazone. Key properties include a melting point of 239-241 °C(lit.), a boiling point of 458.5ºC at 760 mmHg, a density of 1.39 g/cm3 and a flash point of 231.1ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1157-84-2
Jingsj CID
J-1499808-9
Molecular Formula
C13H10N4O4
Chinese Name
苯甲醛 2,4-二硝基苯基腙
Molecular Weight
286.24300 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point239-241 °C(lit.)
Boiling Point458.5ºC at 760 mmHg
Density1.39 g/cm3
Flash Point231.1ºC

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of Benzaldehyde 2,4-dinitrophenylhydrazone?

The CAS number of Benzaldehyde 2,4-dinitrophenylhydrazone is 1157-84-2.

What are the molecular formula and molecular weight of Benzaldehyde 2,4-dinitrophenylhydrazone?

Benzaldehyde 2,4-dinitrophenylhydrazone has molecular formula C13H10N4O4 and molecular weight 286.24300 g/mol.

Is Benzaldehyde 2,4-dinitrophenylhydrazone hazardous?

Benzaldehyde 2,4-dinitrophenylhydrazone has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "Benzaldehyde 2,4-dinitrophenylhydrazone (CAS 1157-84-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1499808-9 (accessed 2026-10-24).

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