4-Fluoro-2-(trifluoromethyl)cinnamic acid
4-氟-2-三氟甲基肉桂酸
Also known as: (E)-3-[4-fluoro-2-(trifluoromethyl)phenyl]-2-propenoic acid, 2-Propenoic acid, 3-[4-fluoro-2-(trifluoromethyl)phenyl]-, 3-[4-Fluoro-2-(trifluoromethyl)phenyl]-2-propenoic acid, 4-FLUORO-2-(TRIFLUOROMETHYL)CINNAMIC ACID, MFCD00236297, RARECHEM AL BK 0322
4-Fluoro-2-(trifluoromethyl)cinnamic acid (CAS 243977-21-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H6F4O2 and a molecular weight of 234.14700 g/mol. It is also known as (E)-3-[4-fluoro-2-(trifluoromethyl)phenyl]-2-propenoic acid, 2-Propenoic acid, 3-[4-fluoro-2-(trifluoromethyl)phenyl]- and 3-[4-Fluoro-2-(trifluoromethyl)phenyl]-2-propenoic acid. Key properties include a melting point of 181-183ºC, a boiling point of 268.2ºC at 760mmHg, a density of 1.438g/cm3 and a flash point of 116ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 243977-21-1
- Jingsj CID
- J-28936-8
- Molecular Formula
- C10H6F4O2
- Chinese Name
- 4-氟-2-三氟甲基肉桂酸
- Molecular Weight
- 234.14700 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 181-183ºC |
|---|---|
| Boiling Point | 268.2ºC at 760mmHg |
| Density | 1.438g/cm3 |
| Flash Point | 116ºC |
| Exact Mass | 234.03000 |
| PSA | 37.30000 |
| LogP | 2.94230 |
| Vapor Pressure | 0.00386mmHg at 25°C |
| Refractive Index | 1.51 |
Customs & Trade Information
| HS Code | 2916399090 |
|---|---|
| Summary | 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-Fluoro-2-(trifluoromethyl)cinnamic acid?
The CAS number of 4-Fluoro-2-(trifluoromethyl)cinnamic acid is 243977-21-1.
What are the molecular formula and molecular weight of 4-Fluoro-2-(trifluoromethyl)cinnamic acid?
4-Fluoro-2-(trifluoromethyl)cinnamic acid has molecular formula C10H6F4O2 and molecular weight 234.14700 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Fluoro-2-(trifluoromethyl)cinnamic acid (CAS 243977-21-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28936-8 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.