5-Bromo-2-hydroxy-3-methoxybenzaldehyde
Also known as: 5-Bromo-3-methoxysalicylaldehyde, 5-Bromo-o-vanillin, 5-Bromo-2-vanillin, 2-Hydroxy-5-bromo-3-methoxybenzaldehyde, 3-Methoxy-5-bromosalicylaldehyde, Benzaldehyde, 5-bromo-2-hydroxy-3-methoxy-, 5-Bromo-2-hydroxy-3-methoxybenzenecarbaldehyde
5-Bromo-2-hydroxy-3-methoxybenzaldehyde (CAS 5034-74-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H7BrO3 and a molecular weight of 231.043 g/mol. Key properties include a melting point of 125-127 °C(lit.), a boiling point of 277.2±35.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 121.4±25.9 °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.
- 5034-74-2
- Jingsj CID
- J-22293-5
- Molecular Formula
- C8H7BrO3
- Molecular Weight
- 231.043 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 125-127 °C(lit.) |
|---|---|
| Boiling Point | 277.2±35.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 121.4±25.9 °C |
| Exact Mass | 229.957855 |
| PSA | 46.53000 |
| LogP | 2.63 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.623 |
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 5-Bromo-2-hydroxy-3-methoxybenzaldehyde?
The CAS number of 5-Bromo-2-hydroxy-3-methoxybenzaldehyde is 5034-74-2.
What are the molecular formula and molecular weight of 5-Bromo-2-hydroxy-3-methoxybenzaldehyde?
5-Bromo-2-hydroxy-3-methoxybenzaldehyde has molecular formula C8H7BrO3 and molecular weight 231.043 g/mol.
Is 5-Bromo-2-hydroxy-3-methoxybenzaldehyde hazardous?
5-Bromo-2-hydroxy-3-methoxybenzaldehyde has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Bromo-2-hydroxy-3-methoxybenzaldehyde (CAS 5034-74-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22293-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.