Description

1,3-Benzenedicarboxylic Acid, 5-Formyl- is a versatile aromatic dicarboxylic acid derivative featuring a reactive formyl group. This compound is a key high-purity intermediate for synthesizing advanced polymers, pharmaceuticals, and specialty chemicals. It is essential for research and production in the pharmaceutical, agrochemical, and advanced materials industries, where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: A critical building block for the synthesis of active pharmaceutical ingredients (APIs) and complex drug molecules.
• Polymer & Resin Production: Used in the manufacture of high-performance polyesters, polyamides, and other specialty polymers requiring specific functional groups.
• Agrochemical Synthesis: Serves as a precursor for creating advanced herbicides, fungicides, and plant growth regulators.
• Ligand & Chelating Agent Precursor: The formyl and carboxylic acid groups allow for the creation of complex ligands used in catalysis and metal ion sequestration.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D for constructing complex organic frameworks and heterocyclic compounds.
• Dye & Pigment Intermediate: Employed in the synthesis of specialized dyes and organic pigments for high-value applications.

Basic Information

Product Name	1,3-Benzenedicarboxylic Acid, 5-Formyl-
CAS No.	66998-60-5
Molecular Formula	C9H6O5
Molecular Weight	194.14 g/mol
Synonyms	5-Formylisophthalic Acid; 5-Carboxyisophthalaldehyde; Isophthalaldehyde-5-carboxylic Acid; 1,3-Benzenedicarboxylic acid, 5-formyl-; 5-Formylbenzene-1,3-dicarboxylic Acid; 5-Aldehydoisophthalic Acid; 5-Carboxybenzene-1,3-dicarboxaldehyde
EINECS	Contact for details

Quality Control

Our 1,3-Benzenedicarboxylic Acid, 5-Formyl- is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and FTIR, to ensure high chemical purity and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee compliance with your research or production requirements.

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	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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