Description

2,5-Diiodo-1,3-Dimethylbenzene CAS NO 4102-48-1 is a high-purity, halogenated aromatic compound featuring two iodine substituents on a dimethylbenzene backbone. This specific substitution pattern makes it a valuable and versatile advanced organic intermediate for synthesizing complex molecules. It is primarily sought after by pharmaceutical research and specialty chemical manufacturers for applications requiring precise molecular architecture.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for candidates targeting neurological disorders and metabolic diseases.
• Ligand Synthesis: Used in the preparation of specialized ligands for catalysis and materials science, leveraging the iodine atoms for further functionalization.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a precursor for developing charge-transport or emissive layers in advanced display technologies.
• Liquid Crystal & Polymer Chemistry: Employed in the creation of monomers and additives to modify the thermal and optical properties of advanced polymers and liquid crystal mixtures.
• Agrochemical Research: Acts as an intermediate in the development of novel crop protection agents and herbicides.
• Cross-Coupling Reactions: An excellent substrate for palladium-catalyzed cross-coupling reactions (e.g., Suzuki, Sonogashira) to construct complex biaryl systems.

Basic Information

Product Name	2,5-Diiodo-1,3-Dimethylbenzene
CAS No.	4102-48-1
Molecular Formula	C8H8I2
Molecular Weight	357.96 g/mol
Synonyms	1,3-Dimethyl-2,5-diiodobenzene; 2,5-Diiodo-m-xylene; m-Xylene-2,5-diiodide; Diiodo-m-xylene; 2,5-Diiodo-1,3-dimethyl-benzene; 2,5-Diiodo-m-xylene; 2,5-Diiodo-3-methyltoluene
EINECS	Contact for details

Quality Control

Our 2,5-Diiodo-1,3-Dimethylbenzene is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing including HPLC, GC, and NMR to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality parameters. Our production adheres to cGMP standards where applicable, ensuring reliability for sensitive applications.

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.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 98 °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.