Description

3,4-Diiodobenzaldehyde is a versatile and highly functionalized aromatic aldehyde building block, distinguished by its two iodine substituents. This compound is critical for advanced organic synthesis, particularly in cross-coupling reactions where the iodine atoms serve as excellent leaving groups. It is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug molecules, especially those targeting thyroid receptors or requiring halogenated aromatic systems.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators where the diiodo-benzaldehyde scaffold provides specific bioactivity.
• Material Science & OLEDs: Serves as a building block for creating organic semiconductors, liquid crystals, and light-emitting materials for electronic displays.
• Cross-Coupling Reactions: An excellent substrate for palladium-catalyzed reactions like Suzuki, Stille, and Sonogashira couplings to construct complex biaryl and conjugated systems.
• Ligand & Catalyst Development: Used to synthesize novel chelating ligands for metal catalysts used in homogeneous catalysis.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D exploring new synthetic methodologies and compound libraries.

Basic Information

Product Name	3,4-Diiodobenzaldehyde
CAS No.	477534-94-4
Molecular Formula	C7H4I2O
Molecular Weight	357.91 g/mol
Synonyms	3,4-Diiodobenzaldehyde; Benzaldehyde, 3,4-diiodo-; 3,4-DIIODOBENZALDEHYDE; 477534-94-4; 3,4-Diiodo-benzaldehyde; 4-Formyl-1,2-diiodobenzene; 1,2-Diiodo-4-formylbenzene
EINECS	Contact for details

Quality Control

Every batch of our 3,4-Diiodobenzaldehyde is produced and tested under strict quality management protocols to ensure high purity and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality systems are designed to meet the stringent requirements of cGMP and ISO standards for advanced chemical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This material is light-sensitive and easily oxidized; for long-term storage, consider maintaining under an inert atmosphere such as nitrogen or argon to preserve stability and purity.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residue on Ignition	< 0.1%
Single Impurity (HPLC)	< 0.5%

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