5-Methylsalicylic acid
Also known as: 2-Hydroxy-5-methylbenzoic acid, 2,5-Cresotic acid, p-Cresotinic acid, alpha-Cresotinic acid, p-Homosalicylic acid, 6-Hydroxy-3-methylbenzoic acid, 5-Methyl-2-hydroxybenzoic acid
5-Methylsalicylic acid (CAS 89-56-5) is a compound in the Organic Acids 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 163-165 °C(lit.), a boiling point of 299.8±28.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 149.3±20.5 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 89-56-5
- Jingsj CID
- J-8236-0
- Molecular Formula
- C8H8O3
- Molecular Weight
- 152.15 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 163-165 °C(lit.) |
|---|---|
| Boiling Point | 299.8±28.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 149.3±20.5 °C |
| Exact Mass | 152.047348 |
| PSA | 57.53000 |
| LogP | 2.52 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.600 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2918290000 |
|---|---|
| Summary | HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 5-Methylsalicylic acid?
The CAS number of 5-Methylsalicylic acid is 89-56-5.
What are the molecular formula and molecular weight of 5-Methylsalicylic acid?
5-Methylsalicylic acid has molecular formula C8H8O3 and molecular weight 152.15 g/mol.
Is 5-Methylsalicylic acid hazardous?
5-Methylsalicylic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 5-Methylsalicylic acid?
For 5-Methylsalicylic acid, Upstream Products: 3-Methylbenzoic acid, Carbon tetrachloride, p-Cresol; Downstream Products: Methyl 5-amino-2-hydroxybenzoate, Ethyl 2-hydroxy-5-methylbenzoate, 2-Hydroxy-5-methylbenzamide.
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-Methylsalicylic acid (CAS 89-56-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8236-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.