4-Trifluoromethylsalicylic acid
Also known as: 2-Hydroxy-4-(trifluoromethyl)benzoic acid, 4-(Trifluoromethyl)salicylic acid, p-Trifluoromethylsalicylic acid, Triflusal impurity B, Benzoic acid, 2-hydroxy-4-(trifluoromethyl)-, 4-Carboxy-3-hydroxybenzotrifluoride
4-Trifluoromethylsalicylic acid (CAS 328-90-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H5F3O3 and a molecular weight of 206.119 g/mol. Key properties include a melting point of 178ºC, a boiling point of 286.4±40.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 127.0±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 328-90-5
- Jingsj CID
- J-21609-1
- Molecular Formula
- C8H5F3O3
- Molecular Weight
- 206.119 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 178ºC |
|---|---|
| Boiling Point | 286.4±40.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 127.0±27.3 °C |
| Exact Mass | 206.019073 |
| PSA | 57.53000 |
| LogP | 4.16 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.510 |
Activity & Biological Data
| Additional Information | [1]. Rodríguez G, et al. Hydrophilic polymer drug from a derivative of salicylic acid: synthesis, controlled release studies and biological behavior. Macromol Biosci. 2004;4(6):579-586. |
|---|
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-Trifluoromethylsalicylic acid?
The CAS number of 4-Trifluoromethylsalicylic acid is 328-90-5.
What are the molecular formula and molecular weight of 4-Trifluoromethylsalicylic acid?
4-Trifluoromethylsalicylic acid has molecular formula C8H5F3O3 and molecular weight 206.119 g/mol.
What are the upstream and downstream products of 4-Trifluoromethylsalicylic acid?
For 4-Trifluoromethylsalicylic acid, Upstream Products: 4-(Trifluoromethyl)benzoic acid, Carbon dioxide, 3-(Trifluoromethyl)phenol; Downstream Products: Triflusal, Methyl 2-methoxy-4-(trifluoromethyl)benzoate, 2-Hydroxy-4-(methoxycarbonyl)benzoic 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-Trifluoromethylsalicylic acid (CAS 328-90-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21609-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.