2-Bromo-5-hydroxybenzaldehyde

2-溴-5-羟基苯甲醛

Also known as: 2-Bromo-5-hydroxybenzadehyde, 2-Bromo-5-(hydroxy)benzaldehyde, 2-Bromo-5-(Hydroxyl)benzaldehyde, 4-Bromo-3-formylphenol, Benzaldehyde, 2-bromo-5-hydroxy-, MFCD03033065, AKOS B020430, ART-CHEM-BB B020430, Crisaborole Impurity 32, Crisaborole Related Compound 2

2-Bromo-5-hydroxybenzaldehyde (CAS 2973-80-0) 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 201.02 g/mol. It is also known as 2-Bromo-5-hydroxybenzadehyde, 2-Bromo-5-(hydroxy)benzaldehyde and 2-Bromo-5-(Hydroxyl)benzaldehyde. Key properties include a melting point of 130-135ºC, a boiling point of 286.7±20.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 127.2±21.8 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2973-80-0
Jingsj CID
J-1984018-1
Molecular Formula
C7H5BrO2
Chinese Name
2-溴-5-羟基苯甲醛
Molecular Weight
201.02 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point130-135ºC
Boiling Point286.7±20.0 °C at 760 mmHg
Density1.7±0.1 g/cm3
Flash Point127.2±21.8 °C

GHS Safety & Compliance

Irritant / Environmental HazardSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2-Bromo-5-hydroxybenzaldehyde?

The CAS number of 2-Bromo-5-hydroxybenzaldehyde is 2973-80-0.

What are the molecular formula and molecular weight of 2-Bromo-5-hydroxybenzaldehyde?

2-Bromo-5-hydroxybenzaldehyde has molecular formula C7H5BrO2 and molecular weight 201.02 g/mol.

Is 2-Bromo-5-hydroxybenzaldehyde hazardous?

2-Bromo-5-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. "2-Bromo-5-hydroxybenzaldehyde (CAS 2973-80-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1984018-1 (accessed 2026-10-22).

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