2-ANTHRACENECARBOXYLIC ACID

2-Anthracenecarboxylic Acid

CAS Number: 613-08-1

Molecular Formula: C₁₅H₁₀O₂

Molecular Weight: 222.24

Synonyms: 2-Anthroic acid; Anthracene-2-carboxylic acid

Chemical Characteristics

2-Anthracenecarboxylic acid is an aromatic carboxylic acid containing an anthracene ring attached to a carboxyl (–COOH) group.

It appears as yellow to orange crystalline powder, is insoluble in water, but soluble in common organic solvents such as ethanol, ether, and chloroform.

The compound exhibits strong fluorescence and excellent photoelectric properties typical of anthracene derivatives.

Main Applications and Functions

1️⃣ Intermediate for Fluorescent and Optoelectronic Materials

• Serves as a precursor in the synthesis of organic luminescent materials (OLED emitters), organic photovoltaic (OPV) materials, and photosensitive dyes.

• The carboxyl group can be further modified to form amides, esters, or metal complexes, leading to compounds with enhanced fluorescence and charge-transport properties.

• Commonly used in organic semiconductors, fluorescent dyes, and light-emitting materials.

2️⃣ Intermediate in Organic Synthesis

• The carboxyl functionality allows reactions such as esterification, amidation, and acyl chloride formation.

• Used to synthesize:

  • Anthracene-based ligands;

  • Fluorescent labeling compounds;

  • Coordination complexes;

  • Polymer modification monomers.

3️⃣ Research and Analytical Applications

• Widely applied in photochemical and spectroscopic studies as:

  • A fluorescent probe or fluorescence reference compound;

  • A photosensitizer;

  • A model compound for electron-transfer studies.

Handling and Storage

• Protect from light and strong oxidizing agents;

• Store in a cool, dry, and well-ventilated area;

• Handle with protective equipment to avoid skin or eye contact.

✅ Summary

2-Anthracenecarboxylic acid (CAS 613-08-1) is an anthracene-based aromatic carboxylic acid mainly used as an intermediate for fluorescent materials, photoelectric functional compounds, and organic synthesis reagents.

It is widely applied in OLEDs, dyes, sensors, and photochemical research due to its excellent optical and electronic properties.