4-Methylsalicylic acid
Also known as: 2-Hydroxy-4-methylbenzoic acid, 2-Hydroxy-p-toluic acid, 4-Methyl-2-hydroxybenzoic acid, m-Cresotic acid, gamma-Cresotic acid, 2,4-Cresotic acid
4-Methylsalicylic acid (CAS 50-85-1) 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 152.14900 g/mol. Key properties include a melting point of 173-177 °C(lit.), a boiling point of 315.2±30.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 158.6±21.1 °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 Nov 4, 2026.
- CAS No.
- 50-85-1
- Jingsj CID
- J-6113-2
- Molecular Formula
- C8H8O3
- Molecular Weight
- 152.14900 g/mol
- Category
- Organic Acids
- Last updated
- 11/4/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 173-177 °C(lit.) |
|---|---|
| Boiling Point | 315.2±30.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 158.6±21.1 °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
Activity & Biological Data
| Additional Information | [1]. Mumtaz A, et al. Bisthioureas of pimelic acid and 4-methylsalicylic acid derivatives as selective inhibitors of tissue-nonspecific alkaline phosphatase (TNAP) and intestinal alkaline phosphatase (IAP): Synthesis and molecular docking studies. Bioorg Chem. 2020 Aug;101:103996. |
|---|
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 4-Methylsalicylic acid?
The CAS number of 4-Methylsalicylic acid is 50-85-1.
What are the molecular formula and molecular weight of 4-Methylsalicylic acid?
4-Methylsalicylic acid has molecular formula C8H8O3 and molecular weight 152.14900 g/mol.
Is 4-Methylsalicylic acid hazardous?
4-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 4-Methylsalicylic acid?
For 4-Methylsalicylic acid, Upstream Products: 4-Methylbenzoic acid, 2-Chloro-4-methylbenzoic acid, Carbon dioxide; Downstream Products: Methyl 4-methylsalicylate, 2-Acetoxy-4-methylbenzoic acid, 2,4,6-tribromo-3-methylphenol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Methylsalicylic acid (CAS 50-85-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6113-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.