3-Bromo-4-hydroxybenzaldehyde
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. 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. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2973-78-6
- Jingsj CID
- J-50110-0
- Molecular Formula
- C7H5BrO2
- Molecular Weight
- 201.017 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 130-135 °C(lit.) |
|---|---|
| Boiling Point | 261.3±20.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 111.8±21.8 °C |
| Exact Mass | 199.947281 |
| PSA | 37.30000 |
| LogP | 2.48 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.657 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2913000090 |
|---|---|
| Summary | HS: 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 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 and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 3-Bromo-4-hydroxybenzaldehyde?
For 3-Bromo-4-hydroxybenzaldehyde, Upstream Products: 4-Hydroxybenzaldehyde, 2-Bromo-4-methylphenol, 3-bromo-4-hydroxybenzyl alcohol; Downstream Products: 3-Bromo-4-ethoxybenzaldehyde, 3-Bromo-4-methoxybenzaldehyde, 3-bromo-4-isopropoxybenzaldehyde.
Data compiled from public chemical databases such as PubChem 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-50110-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.