2-Hydroxy-4-methoxybenzaldehyde
Also known as: 4-Methoxysalicylaldehyde, 2-Hydroxy-p-anisaldehyde, 2-Hydroxy-4-anisaldehyde, 4-Methoxy-2-hydroxybenzaldehyde, o-Hydroxy-p-methoxybenzaldehyde
2-Hydroxy-4-methoxybenzaldehyde (CAS 673-22-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H8O3 and a molecular weight of 152.15 g/mol. Key properties include a melting point of 41-43 °C(lit.), a boiling point of 271.5±20.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 112.1±15.3 °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.
- 673-22-3
- Jingsj CID
- J-889539-4
- Molecular Formula
- C8H8O3
- Molecular Weight
- 152.15 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 41-43 °C(lit.) |
|---|---|
| Boiling Point | 271.5±20.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 112.1±15.3 °C |
| Exact Mass | 152.047348 |
| PSA | 46.53000 |
| LogP | 1.79 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.588 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Target | Tyrosinase[2]. |
|---|---|
| Additional Information | [1]. Bodwell Graham, et al. An Inverse Electron-Demand Diels-Alder-Based Total Synthesis of Urolithin M7. Synlett. 2011 (15): 2245. [2]. Kubo I, et al. 2-Hydroxy-4-methoxybenzaldehyde: a potent tyrosinase inhibitor from African medicinal plants. Planta Med. 1999 Feb;65(1):19-22. |
Customs & Trade Information
| HS Code | 2912499000 |
|---|---|
| Summary | 2912499000. other aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen function. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:5.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2-Hydroxy-4-methoxybenzaldehyde?
The CAS number of 2-Hydroxy-4-methoxybenzaldehyde is 673-22-3.
What are the molecular formula and molecular weight of 2-Hydroxy-4-methoxybenzaldehyde?
2-Hydroxy-4-methoxybenzaldehyde has molecular formula C8H8O3 and molecular weight 152.15 g/mol.
Is 2-Hydroxy-4-methoxybenzaldehyde hazardous?
2-Hydroxy-4-methoxybenzaldehyde 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 2-Hydroxy-4-methoxybenzaldehyde?
For 2-Hydroxy-4-methoxybenzaldehyde, Upstream Products: Dimethyl sulfate, 2,4-Dihydroxybenzaldehyde, 2,4-dimethoxybenzaldehyde; Downstream Products: 2-Isopropoxy-4-methoxybenzaldehyde, 6-Methoxy-1-benzofuran-2-carboxylic acid, 2-Hydroxy-4-methoxybenzonitrile.
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-Hydroxy-4-methoxybenzaldehyde (CAS 673-22-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-889539-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.