9-Oxo-9H-fluorene-2-carboxylic acid
Also known as: 9-Fluorenone-2-carboxylic acid, 9-Oxo-2-fluorenecarboxylic acid, 9-oxofluorene-2-carboxylic acid, 9H-Fluorene-2-carboxylic acid, 9-oxo-, 2-carboxyfluoren-9-one
9-Oxo-9H-fluorene-2-carboxylic acid (CAS 784-50-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H8O3 and a molecular weight of 224.212 g/mol. Key properties include a melting point of >300 °C(lit.), a boiling point of 476.5±24.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 256.1±19.4 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 784-50-9
- Jingsj CID
- J-1520121-5
- Molecular Formula
- C14H8O3
- Molecular Weight
- 224.212 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300 °C(lit.) |
|---|---|
| Boiling Point | 476.5±24.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 256.1±19.4 °C |
| Exact Mass | 224.047348 |
| PSA | 54.37000 |
| LogP | 3.26 |
| Vapor Pressure | 0.0±1.3 mmHg at 25°C |
| Refractive Index | 1.701 |
Customs & Trade Information
| HS Code | 2918300090 |
|---|---|
| Summary | 2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 9-Oxo-9H-fluorene-2-carboxylic acid?
The CAS number of 9-Oxo-9H-fluorene-2-carboxylic acid is 784-50-9.
What are the molecular formula and molecular weight of 9-Oxo-9H-fluorene-2-carboxylic acid?
9-Oxo-9H-fluorene-2-carboxylic acid has molecular formula C14H8O3 and molecular weight 224.212 g/mol.
What are the upstream and downstream products of 9-Oxo-9H-fluorene-2-carboxylic acid?
For 9-Oxo-9H-fluorene-2-carboxylic acid, Upstream Products: 2-Acetylfluorene, p-Xylene, 9H FLUORENE; Downstream Products: 2-Methyl-9H-fluorene, 9H-Fluorene-2-carboxylic acid, [1,1'-Biphenyl]-2,4'-dicarboxylic 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. "9-Oxo-9H-fluorene-2-carboxylic acid (CAS 784-50-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1520121-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.