Description

5-Ethylisophthalaldehyde is a versatile aromatic dialdehyde compound with the CAS registry number 118792-76-0. This specialty chemical serves as a critical building block in advanced organic synthesis, enabling the creation of complex molecular architectures. It is primarily sought after by research and development chemists in the pharmaceutical, agrochemical, and material science industries for constructing ligands, functional polymers, and active pharmaceutical intermediates.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those requiring complex aromatic cores.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides where specific aldehyde functionality is required for condensation reactions.
• Ligand and Chelator Production: Serves as a starting material for synthesizing sophisticated ligands used in catalysis and metal complexation.
• Polymer and Resin Chemistry: Employed in the creation of specialty polymers, such as polyimides or epoxy resins, where its dual aldehyde groups can undergo polycondensation.
• Organic Electronic Materials: Acts as a monomer for constructing conjugated organic frameworks for potential use in OLEDs or semiconductor layers.
• Cross-linking Agent: Utilized to introduce cross-links into polymer networks, enhancing thermal and mechanical properties.
• Fine Chemical and Flavor/Fragrance Synthesis: A valuable intermediate for creating complex aromatic molecules in the flavor and fragrance industry.
• Academic and Industrial Research: A high-purity reagent for methodological development and exploration of new organic reactions.

Basic Information

Product Name	5-Ethylisophthalaldehyde
CAS No.	118792-76-0
Molecular Formula	C10H10O2
Molecular Weight	162.19 g/mol
Synonyms	1,3-Benzenedicarboxaldehyde, 5-ethyl-; 5-Ethylbenzene-1,3-dicarbaldehyde; 5-Ethyl-1,3-benzenedicarboxaldehyde; 5-Ethylisophthalic dialdehyde; Isophthalaldehyde, 5-ethyl-; 3-Formyl-5-ethylbenzaldehyde; 5-Ethyl-m-phthalaldehyde
EINECS	Contact for details

Quality Control

Our 5-Ethylisophthalaldehyde is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and bases. For long-term storage, consider an inert atmosphere to preserve aldehyde functionality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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