3-Bromo-4-hydroxybenzaldehyde

3-溴-4-羟基苯甲醛

Also known as: 2-Bromo-4-formylphenol, 4-Hydroxy-3-bromobenzaldehyde, Benzaldehyde, 3-bromo-4-hydroxy-, 3-bromo-4-hydroxyphenylaldehyde, 3-Brom-4-hydroxybenzolcarbaldehyd

3-Bromo-4-hydroxybenzaldehyde (CAS 2973-78-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H5BrO2 and a molecular weight of 201.017 g/mol. It is also known as 2-Bromo-4-formylphenol, 4-Hydroxy-3-bromobenzaldehyde and Benzaldehyde, 3-bromo-4-hydroxy-. Key properties include a melting point of 130-135 °C(lit.), a boiling point of 261.3±20.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 111.8±21.8 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2973-78-6
Jingsj CID
J-50110-7
Molecular Formula
C7H5BrO2
Chinese Name
3-溴-4-羟基苯甲醛
Molecular Weight
201.017 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point130-135 °C(lit.)
Boiling Point261.3±20.0 °C at 760 mmHg
Density1.7±0.1 g/cm3
Flash Point111.8±21.8 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 3-Bromo-4-hydroxybenzaldehyde?

The CAS number of 3-Bromo-4-hydroxybenzaldehyde is 2973-78-6.

What are the molecular formula and molecular weight of 3-Bromo-4-hydroxybenzaldehyde?

3-Bromo-4-hydroxybenzaldehyde has molecular formula C7H5BrO2 and molecular weight 201.017 g/mol.

Is 3-Bromo-4-hydroxybenzaldehyde hazardous?

3-Bromo-4-hydroxybenzaldehyde 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-Bromo-4-hydroxybenzaldehyde (CAS 2973-78-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-50110-7 (accessed 2026-10-22).

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