4-Chlorosalicylic acid
Also known as: 4-Chloro-2-hydroxybenzoic acid, 4-Chloro Salicylic Acid, 4-Chloro-2-Hydroxy Benzoic Acid, Benzoic acid, 4-chloro-2-hydroxy-
4-Chlorosalicylic acid (CAS 5106-98-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H5ClO3 and a molecular weight of 172.566 g/mol. Key properties include a melting point of 210-212 °C(lit.), a boiling point of 321.1±27.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 148.0±23.7 °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.
- 5106-98-9
- Jingsj CID
- J-6115-4
- Molecular Formula
- C7H5ClO3
- Molecular Weight
- 172.566 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 210-212 °C(lit.) |
|---|---|
| Boiling Point | 321.1±27.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 148.0±23.7 °C |
| Exact Mass | 171.992722 |
| PSA | 57.53000 |
| LogP | 3.14 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.630 |
| Additional Property | slightly soluble |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Target | IC50: 1.89 mM (monophenolase), 1.10 mM (diphenolase)[1] |
|---|---|
| Additional Information | [1]. Han P, et al. Inhibitory effects of 4-chlorosalicylic acid on mushroom tyrosinase and its antimicrobial activities. 107 (2), 797-803, 2008 |
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-Chlorosalicylic acid?
The CAS number of 4-Chlorosalicylic acid is 5106-98-9.
What are the molecular formula and molecular weight of 4-Chlorosalicylic acid?
4-Chlorosalicylic acid has molecular formula C7H5ClO3 and molecular weight 172.566 g/mol.
Is 4-Chlorosalicylic acid hazardous?
4-Chlorosalicylic acid 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 4-Chlorosalicylic acid?
For 4-Chlorosalicylic acid, Upstream Products: 4-Chlorobenzoic acid, 2,4-Dichlorobenzoic acid, 3-Chlorophenol; Downstream Products: 4-Chloro-2-hydroxybenzaldehyde, Methyl 4-chloro-2-methoxybenzoate, 5-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. "4-Chlorosalicylic acid (CAS 5106-98-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6115-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.