6-Fluoro-4-oxo-4H-chromene-2-carboxylic acid

6-Fluoro-4-oxo-4H-chromene-2-carboxylic acid - Names and Identifiers

Name	6-Fluoro-4-oxo-4H-1-benzopyran-2-carboxylic acid
Synonyms	6-Fluorochromone-2-Carboxylic Acid 6-FLUOROCHROMONE-2-CARBOXYLIC ACID 6-Fluoro-4-oxo-4H-chromene-2-carboxylic acid 6-FLUORO-4-OXO-4H-CHROMENE-2-CARBOXYLIC ACID 6-FLUORO-4-OXO-1-BENZOPYRAN-2-CARBOXYLIC ACID 6-Fluoro-4-oxo-4H-1-benzopyran-2-carboxylic acid 6-FLUORO-4-OXO-4H-1-BENZOPYRAN-2-CARBOXYLIC ACID 4H-1-benzopyran-2-carboxylic acid, 6-fluoro-4-oxo-
CAS	99199-59-4
InChI	InChI=1/C10H5FO4/c11-5-1-2-8-6(3-5)7(12)4-9(15-8)10(13)14/h1-4H,(H,13,14)

6-Fluoro-4-oxo-4H-chromene-2-carboxylic acid - Physico-chemical Properties

Molecular Formula	C10H5FO4
Molar Mass	208.14
Density	1.582±0.06 g/cm3(Predicted)
Melting Point	257-259°C
Boling Point	347.5±42.0 °C(Predicted)
Flash Point	163.9°C
Vapor Presure	2.03E-05mmHg at 25°C
Appearance	powder to crystal
Color	White to Almost white
pKa	3.23±0.20(Predicted)
Storage Condition	Sealed in dry,Room Temperature
Refractive Index	1.614
Physical and Chemical Properties	Almost white crystalline powder.

6-Fluoro-4-oxo-4H-chromene-2-carboxylic acid - Risk and Safety

Hazard Symbols	Xi - Irritant
WGK Germany	3

6-Fluoro-4-oxo-4H-chromene-2-carboxylic acid - Introduction

The acid is a chemical compound whose molecular formula is C10H5FO4.

The properties of the compound are as follows:
-Appearance: White to light yellow crystalline powder
-Melting point: about 186-190 degrees Celsius
-Stability: stable at room temperature, but may decompose at high temperature
-Solubility: Soluble in methanol and ethanol, slightly soluble in water

The main use of this compound is as an intermediate in organic synthesis, used in the synthesis of other organic compounds and drugs. It can be used to synthesize biologically active compounds such as drugs, dyes and pesticides.

The method for preparing the calcium acid is usually obtained by the hydrogen oxidation reaction of 2,4-difluorophthalic acid.

Regarding safety information, acid has not been studied in detail for potential hazards to humans and the environment. Therefore, when using or handling such compounds, it is necessary to take appropriate laboratory safety measures and follow relevant chemical safety practices. Wear appropriate personal protective equipment, such as lab gloves, glasses and protective masks, if necessary. At the same time, properly manage and store this compound to prevent accidental leakage or contact.

Last Update：2024-04-09 21:11:58