Description

2,3-Diiodothiophene is a high-purity, halogenated heterocyclic building block of significant interest in advanced organic synthesis. Its value lies in its dual iodine substituents, which serve as excellent handles for cross-coupling reactions, enabling the precise construction of complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science sectors, particularly for developing novel active ingredients and functional organic electronic materials.

Application

• Pharmaceutical Intermediate: A key synthon for constructing complex drug candidates, especially those containing thiophene cores, via Suzuki, Stille, or other metal-catalyzed cross-coupling reactions.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides that require specific thiophene-based structures for enhanced activity.
• Organic Electronic Materials: Serves as a precursor for conjugated polymers and small molecules used in Organic Light-Emitting Diodes (OLEDs), Organic Photovoltaics (OPVs), and Field-Effect Transistors (OFETs).
• Ligand and Catalyst Development: Utilized to create novel ligands for transition metal catalysts, which can improve selectivity and efficiency in industrial chemical processes.
• Chemical Research: A versatile reagent in academic and industrial R&D for exploring new synthetic methodologies and constructing complex heterocyclic systems.
• Material Science Additive: Investigated for its potential use in modifying surface properties or creating specialized coatings with unique electronic characteristics.

Basic Information

Product Name	2,3-Diiodothiophene
CAS No.	19259-05-3
Molecular Formula	C4H2I2S
Molecular Weight	351.93 g/mol
Synonyms	Thiophene, 2,3-diiodo-; 2,3-Diiodothiophene; 2,3-Diiodo-thiophene; Diiodothiophene; 2,3-DIT; 19259-05-3; 2,3-Diiodo-1-thiophene
EINECS	Contact for details

Quality Control

Our 2,3-Diiodothiophene is produced 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 stringent internal specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment. We support compliance with global regulatory frameworks, and custom purity grades or specific impurity profiles can be developed to meet your project requirements.

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, handling and packaging should minimize exposure to direct light to maintain product integrity.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residue on Ignition	< 0.1%
Solubility	Soluble in common organic solvents (e.g., DCM, THF, DMF)

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