2-Fluorocinnamic acid
Also known as: 3-(2-Fluorophenyl)acrylic acid, (E)-3-(2-fluorophenyl)acrylic acid, (2E)-3-(2-fluorophenyl)-2-propenoic acid, 2-Fluorocinnamic acid, predominantly trans, o-Fluorocinnamic acid, 2-Propenoic acid, 3-(2-fluorophenyl)-, (2E)-
2-Fluorocinnamic acid (CAS 451-69-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H7FO2 and a molecular weight of 166.149 g/mol. Key properties include a melting point of 178-180 °C(lit.), a boiling point of 281.6±15.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 124.1±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 451-69-4
- Jingsj CID
- J-6585-0
- Molecular Formula
- C9H7FO2
- Molecular Weight
- 166.149 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 178-180 °C(lit.) |
|---|---|
| Boiling Point | 281.6±15.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 124.1±20.4 °C |
| Exact Mass | 166.043015 |
| PSA | 37.30000 |
| LogP | 2.47 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.591 |
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 2-Fluorocinnamic acid?
The CAS number of 2-Fluorocinnamic acid is 451-69-4.
What are the molecular formula and molecular weight of 2-Fluorocinnamic acid?
2-Fluorocinnamic acid has molecular formula C9H7FO2 and molecular weight 166.149 g/mol.
What are the upstream and downstream products of 2-Fluorocinnamic acid?
For 2-Fluorocinnamic acid, Upstream Products: Malonic acid, 2-Fluorobenzaldehyde, 2-Aminocinnamic acid; Downstream Products: 4-Fluoro-1-indanone, 3-(2-Fluorophenyl)propionic acid, 3-(2-fluorophenyl)propanal.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Fluorocinnamic acid (CAS 451-69-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6585-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.