7-Fluoro-4-oxo-4H-chromene-2-carboxylic acid
7-氟-4-氧代-4H-色烯-2-羧酸
Also known as: 7-Fluorochromone-2-carboxylic acid, 7-Fluoro-4-oxo-1(4H)-benzopyran-2-carboxylic acid, 4H-1-Benzopyran-2-carboxylic acid, 7-fluoro-4-oxo-, 7-fluoro-4-oxochromene-2-carboxylic acid
7-Fluoro-4-oxo-4H-chromene-2-carboxylic acid (CAS 128942-39-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H5FO4 and a molecular weight of 208.143 g/mol. It is also known as 7-Fluorochromone-2-carboxylic acid, 7-Fluoro-4-oxo-1(4H)-benzopyran-2-carboxylic acid and 4H-1-Benzopyran-2-carboxylic acid, 7-fluoro-4-oxo-. Key properties include a melting point of 239-245°C, a boiling point of 347.5±42.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 163.9±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 128942-39-2
- Jingsj CID
- J-1518620-3
- Molecular Formula
- C10H5FO4
- Chinese Name
- 7-氟-4-氧代-4H-色烯-2-羧酸
- Molecular Weight
- 208.143 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 239-245°C |
|---|---|
| Boiling Point | 347.5±42.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 163.9±27.9 °C |
Frequently Asked Questions
What is the CAS number of 7-Fluoro-4-oxo-4H-chromene-2-carboxylic acid?
The CAS number of 7-Fluoro-4-oxo-4H-chromene-2-carboxylic acid is 128942-39-2.
What are the molecular formula and molecular weight of 7-Fluoro-4-oxo-4H-chromene-2-carboxylic acid?
7-Fluoro-4-oxo-4H-chromene-2-carboxylic acid has molecular formula C10H5FO4 and molecular weight 208.143 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "7-Fluoro-4-oxo-4H-chromene-2-carboxylic acid (CAS 128942-39-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1518620-3 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.