Description

3,4-Diiodotoluene is a high-purity aromatic organic compound featuring two iodine substituents on the toluene ring, making it a valuable halogenated building block. This compound is essential for advanced organic synthesis, particularly in the development of complex molecules for pharmaceutical and agrochemical research. It serves as a critical intermediate for researchers and manufacturers in the life sciences, material science, and specialty chemical sectors requiring precise and reliable iodinated precursors.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring halogenated aromatic structures.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and pesticides where the diiodotoluene moiety imparts specific biological activity.
• Material Science Research: Serves as a monomer or precursor in the development of advanced organic materials, including liquid crystals and organic semiconductors.
• Cross-Coupling Reactions: An important substrate in palladium-catalyzed cross-coupling reactions (e.g., Suzuki, Stille) for creating complex biaryl structures.
• Chemical Synthesis: Versatile reagent for introducing iodine atoms or the entire 3,4-diiodotoluene unit into target molecules in organic chemistry laboratories.
• Dye and Pigment Intermediate: Used in the synthesis of specialized dyes and colorants where iodine substitution alters light absorption properties.

Basic Information

Product Name	3,4-Diiodotoluene
CAS No.	1608-47-5
Molecular Formula	C7H6I2
Molecular Weight	359.93 g/mol
Synonyms	1,2-Diiodo-4-methylbenzene; 4-Methyl-1,2-diiodobenzene; Toluene-3,4-diiodide; 3,4-Diiodo-1-methylbenzene; 3,4-Diiodomethylbenzene; 3,4-Diiodotoluol
EINECS	Contact for details

Quality Control

Our 3,4-Diiodotoluene is manufactured under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to verify identity and purity against established specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory compliance 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 heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Melting Point	Contact for details
Heavy Metals	<20 ppm
Residue on Ignition	<0.1%

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