Description

4-Formylbenzoic Acid is a versatile bifunctional aromatic compound that serves as a critical building block in advanced organic synthesis. Its dual functionality, featuring both a formyl and a carboxylic acid group, makes it an invaluable precursor for constructing complex molecular architectures. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking reliable and consistent raw materials for their processes.

Application

• Pharmaceutical Intermediate: Key starting material for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of receptor antagonists and enzyme inhibitors.
• Liquid Crystal & OLED Materials: Used in the production of advanced electronic display components and organic light-emitting diodes due to its rigid aromatic structure.
• Metal-Organic Frameworks (MOFs): Acts as a functional linker in the construction of porous coordination polymers for gas storage, separation, and catalysis.
• Polymer & Resin Modification: Employed to introduce aldehyde and acid functionalities into polymer backbones, enhancing properties like adhesion, cross-linking, and thermal stability.
• Agrochemical Synthesis: Intermediate in the manufacture of herbicides, fungicides, and plant growth regulators.
• Dye & Pigment Production: Serves as a precursor for synthesizing complex organic dyes and functional colorants.
• Cross-coupling Reactions: A valuable substrate in palladium-catalyzed reactions, such as Suzuki and Heck couplings, for creating biaryl structures.
• Laboratory Research & Development: A standard reagent in academic and industrial R&D for exploring new synthetic methodologies and material science.

Basic Information

Product Name	4-Formylbenzoic Acid
CAS No.	619-66-9
Molecular Formula	C8H6O3
Molecular Weight	150.13 g/mol
Synonyms	4-Carboxybenzaldehyde; Terephthalaldehydic Acid; p-Formylbenzoic Acid; 4-Carboxybenzaldehyde; Benzaldehyde-4-carboxylic acid; p-Carboxybenzaldehyde; Terephthalic acid monoaldehyde; 4-Aldehydebenzoic acid
EINECS	210-597-5

Quality Control

Our 4-Formylbenzoic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and FTIR, to ensure it meets the high-purity standards required for sensitive applications like pharmaceutical synthesis. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of heat.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	245 - 250 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.