Description

1,3-Diiodobenzene CAS NO 626-00-6 is a high-purity aromatic diiodo compound, serving as a versatile and critical building block in advanced organic synthesis. Its value lies in its ability to participate in efficient cross-coupling reactions, enabling the construction of complex molecular architectures. This intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries who require reliable, high-quality precursors for their development and production processes.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs) and complex drug candidates via Suzuki, Stille, and other palladium-catalyzed cross-coupling reactions.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and pesticides, where the iodine atoms provide excellent sites for functionalization.
• Liquid Crystal & OLED Materials: Serves as a fundamental building block for creating organic semiconductors, liquid crystal displays (LCDs), and light-emitting diodes (OLEDs) due to its rigid aromatic core.
• Polymer & Specialty Chemicals: Employed in the production of high-performance polymers, dyes, and pigments where specific aromatic linkages are required.
• Chemical Research & Development: A valuable reagent in academic and industrial R&D labs for exploring new synthetic methodologies and creating novel organic compounds.
• Catalyst & Ligand Preparation: Used in the synthesis of specialized ligands and organometallic catalysts for asymmetric synthesis and other catalytic processes.

Basic Information

Item	Detail
Product Name	1,3-Diiodobenzene
CAS No.	626-00-6
Molecular Formula	C6H4I2
Molecular Weight	329.90 g/mol
Synonyms	m-Diiodobenzene; 1,3-Diiodobenzol; Benzene, 1,3-diiodo-; m-Phenylene diiodide; 3-Iodophenyl iodide; 1,3-DIIODOBENZENE; DI-IODO-1,3-BENZENE
EINECS	210-925-6

Quality Control

Our 1,3-Diiodobenzene is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency that meets the demanding requirements of fine chemical synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee full traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in amber glass or opaque packaging during storage.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	38 - 42 °C
Heavy Metals	≤ 10 ppm
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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