9-Anthraldehyde[2]

Updated: 2026-09-16

Overview

9-Anthraldehyde is an organic compound belonging to the class of aromatic aldehydes. It is derived from anthracene, a polycyclic aromatic hydrocarbon, and is characterized by the presence of a formyl group at the 9-position. This compound is widely used in chemical research and industrial applications due to its unique chemical properties. Primarily, 9-Anthraldehyde serves as a key intermediate in the synthesis of dyes, pharmaceuticals, and other organic compounds. Its fluorescent properties make it particularly useful in analytical chemistry and materials science. The compound is typically available as a yellow crystalline powder.

Physical and Chemical Properties

9-Anthraldehyde exhibits distinct physical and chemical properties that make it suitable for various applications. It has a molecular weight of 206.24 g/mol and a melting point range of 102-104°C. The compound is soluble in common organic solvents such as ethanol, chloroform, and dimethyl sulfoxide (DMSO), but it is insoluble in water. Chemically, 9-Anthraldehyde is an aromatic aldehyde, which means it participates in reactions typical of aldehydes, such as nucleophilic addition and oxidation. Its anthracene backbone contributes to its fluorescent behavior, making it useful in spectroscopic studies and as a probe in biochemical assays.

Main Applications

9-Anthraldehyde is predominantly used in the synthesis of dyes and pigments, where its aromatic structure and aldehyde functionality allow for the creation of complex colorants. It is also employed in pharmaceutical research as a building block for drug molecules, particularly those targeting aromatic interactions. In addition, 9-Anthraldehyde finds applications in materials science, where its fluorescent properties are leveraged for developing optical materials and sensors. Its role as an intermediate in organic synthesis further extends its utility in producing specialty chemicals and polymers.

Safety and Storage

Handling 9-Anthraldehyde requires adherence to safety protocols to minimize health risks. The compound can cause irritation upon contact with skin or eyes, and inhalation of its dust should be avoided. Proper personal protective equipment (PPE), including gloves and goggles, is recommended during use. Storage conditions are critical to maintaining the compound's stability. It should be kept in a tightly sealed container, away from light and moisture, in a cool and dry environment. Exposure to extreme temperatures or incompatible substances should be avoided to prevent degradation or hazardous reactions.

B2B Procurement Guide

When procuring 9-Anthraldehyde for industrial or research purposes, it is essential to verify the CAS number (642-31-9) and purity specifications to ensure product quality. Suppliers should provide detailed technical data sheets and certificates of analysis. Pricing varies based on purity and quantity, with reference prices ranging from approximately $50 to $200 per gram. Bulk purchases may offer cost advantages. Buyers are advised to source from reputable chemical suppliers with a track record of reliability and compliance with safety standards.