3-Hydroxy-4-nitrobenzaldehyde

3-羟基-4-硝基苯甲醛

Also known as: 3-Formyl-6-nitrophenol, 5-Formyl-2-nitrophenol, Benzaldehyde, 3-hydroxy-4-nitro-, EINECS 211-879-7, MFCD00007109

3-Hydroxy-4-nitrobenzaldehyde (CAS 704-13-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H5NO4 and a molecular weight of 167.119 g/mol. It is also known as 3-Formyl-6-nitrophenol, 5-Formyl-2-nitrophenol and Benzaldehyde, 3-hydroxy-4-nitro-. Key properties include a melting point of 127-131 °C(lit.), a boiling point of 303.3±27.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 138.8±12.2 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
704-13-2
Jingsj CID
J-1420740-8
Molecular Formula
C7H5NO4
Chinese Name
3-羟基-4-硝基苯甲醛
Molecular Weight
167.119 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point127-131 °C(lit.)
Boiling Point303.3±27.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point138.8±12.2 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 3-Hydroxy-4-nitrobenzaldehyde?

The CAS number of 3-Hydroxy-4-nitrobenzaldehyde is 704-13-2.

What are the molecular formula and molecular weight of 3-Hydroxy-4-nitrobenzaldehyde?

3-Hydroxy-4-nitrobenzaldehyde has molecular formula C7H5NO4 and molecular weight 167.119 g/mol.

Is 3-Hydroxy-4-nitrobenzaldehyde hazardous?

3-Hydroxy-4-nitrobenzaldehyde 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. "3-Hydroxy-4-nitrobenzaldehyde (CAS 704-13-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1420740-8 (accessed 2026-10-22).

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