Skip to main content

2-Bromo-5-hydroxybenzaldehyde

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. 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. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H400 — Very toxic to aquatic life. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2973-80-0
Jingsj CID
J-1984018-7
Molecular Formula
C7H5BrO2
Molecular Weight
201.02 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

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
Exact Mass199.947281
PSA37.30000
LogP2.30
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.657
Storage ConditionsRoom temperature.

GHS Safety & Compliance

Irritant / Environmental HazardSignal word: Warning
  • H302 — Harmful if swallowed
  • H400 — Very toxic to aquatic life

Customs & Trade Information

HS Code2913000090
SummaryHS: 2913000090 halogenated, sulphonated, nitrated or nitrosated derivatives of products of heading 2912 Educational tariff:17.0% Tax rebate rate:9.0% Regulatory conditions:none Most favored nation tariff:5.5% General tariff:30.0%

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 and hazard statements H302 — Harmful if swallowed; H400 — Very toxic to aquatic life.

What are the upstream and downstream products of 2-Bromo-5-hydroxybenzaldehyde?

For 2-Bromo-5-hydroxybenzaldehyde, Upstream Products: 3-Hydroxybenzaldehyde, 2-Bromo-5-methoxybenzaldehyde, 3-Benzyloxybenzaldehyde; Downstream Products: 5-hydroxy-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde, 4-Bromo-2,6-dichlorophenol, 4-Bromo-2-chlorophenol.

Data compiled from public chemical databases such as PubChem 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-1984018-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.