3-Methylsalicylaldehyde
Also known as: 2-Hydroxy-3-methylbenzaldehyde, 2,3-Cresotaldehyde, 2-Hydroxy-3-methylbenzaldehyde, 3-Methyl-2-hydroxybenzaldehyde, MFCD00040798
3-Methylsalicylaldehyde (CAS 824-42-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H8O2 and a molecular weight of 136.148 g/mol. Key properties include a boiling point of 207.9±20.0 °C at 760 mmHg, a density of 1.123 and a flash point of 87 ºC. 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.
- 824-42-0
- Jingsj CID
- J-48280-4
- Molecular Formula
- C8H8O2
- Molecular Weight
- 136.148 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 207.9±20.0 °C at 760 mmHg |
|---|---|
| Density | 1.123 |
| Flash Point | 87 ºC |
| Exact Mass | 136.052429 |
| PSA | 37.30000 |
| LogP | 2.07 |
| Vapor Pressure | 0.2±0.4 mmHg at 25°C |
| Refractive Index | 1.564 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 3-Methylsalicylaldehyde?
The CAS number of 3-Methylsalicylaldehyde is 824-42-0.
What are the molecular formula and molecular weight of 3-Methylsalicylaldehyde?
3-Methylsalicylaldehyde has molecular formula C8H8O2 and molecular weight 136.148 g/mol.
Is 3-Methylsalicylaldehyde hazardous?
3-Methylsalicylaldehyde 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-Methylsalicylaldehyde?
For 3-Methylsalicylaldehyde, Upstream Products: Formaldehyde, o-Cresol, 2,6-Dimethylpyridine; Downstream Products: 3-Methylcatechol, 2,6-Dimethylphenol, 3-Methylsalicylic acid.
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-Methylsalicylaldehyde (CAS 824-42-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48280-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.