1-Ethyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid
Also known as: 2-Ethyl-5-(trifluoromethyl)pyrazole-3-carboxylic acid, 1-Ethyl-3-(trifluoromethyl)pyrazole-5-carboxylic acid, 1-Ethyl-3-trifluoromethylpyrazol-5-yl carboxylic acid, 1H-Pyrazole-5-carboxylic acid, 1-ethyl-3-(trifluoromethyl)-
1-Ethyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid (CAS 128694-66-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H7F3N2O2 and a molecular weight of 208.13800 g/mol. Key properties include a boiling point of 297.8ºC at 760 mmHg, a density of 1.48g/cm3 and a flash point of 133.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 128694-66-6
- Jingsj CID
- J-1037957-4
- Molecular Formula
- C7H7F3N2O2
- Molecular Weight
- 208.13800 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 297.8ºC at 760 mmHg |
|---|---|
| Density | 1.48g/cm3 |
| Flash Point | 133.9ºC |
| Exact Mass | 208.04600 |
| PSA | 55.12000 |
| LogP | 1.62000 |
| Vapor Pressure | 0.000594mmHg at 25°C |
| Refractive Index | 1.496 |
Customs & Trade Information
| HS Code | 2933199090 |
|---|---|
| Summary | 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 1-Ethyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid?
The CAS number of 1-Ethyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid is 128694-66-6.
What are the molecular formula and molecular weight of 1-Ethyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid?
1-Ethyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid has molecular formula C7H7F3N2O2 and molecular weight 208.13800 g/mol.
What are the upstream and downstream products of 1-Ethyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid?
For 1-Ethyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid, Upstream Products: 3-(Trifluoromethyl)-1H-pyrazole, Carbon dioxide, Iodoethane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Ethyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid (CAS 128694-66-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1037957-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.