Description

2,5-Diiodo-3-Methylthiophene is a high-purity, halogenated heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key precursor in the development of functional materials, particularly in the field of organic electronics and pharmaceuticals. It is primarily needed by research institutions and industrial R&D departments focused on creating novel conjugated polymers, liquid crystals, and active pharmaceutical ingredients (APIs).

Application

• Organic Electronic Materials: A crucial monomer for synthesizing conjugated polymers and small molecules used in Organic Light-Emitting Diodes (OLEDs), Organic Photovoltaics (OPVs), and Field-Effect Transistors (OFETs).
• Pharmaceutical Intermediates: Serves as a versatile building block in medicinal chemistry for the development of novel drug candidates, particularly those targeting central nervous system (CNS) disorders.
• Liquid Crystal Synthesis: Used in the preparation of advanced liquid crystal materials for display technologies and optical devices.
• Agrochemical Research: Acts as an intermediate in the synthesis of new generation herbicides and fungicides with specific modes of action.
• Coordination Chemistry & Catalysis: Employed as a ligand precursor for metal-organic frameworks (MOFs) and transition metal catalysts.
• Dye & Pigment Development: A key starting material for creating specialized dyes and pigments with unique optical properties.

Basic Information

Product Name	2,5-Diiodo-3-Methylthiophene
CAS No.	16488-60-1
Molecular Formula	C5H4I2S
Molecular Weight	365.96 g/mol
Synonyms	3-Methyl-2,5-diiodothiophene; 2,5-Diiodo-3-methylthiophene; 2,5-Diiodo-3-methyl-thiophene; Thiophene, 2,5-diiodo-3-methyl-; 3-Methylthiophene-2,5-diyl diiodide; 2,5-Diiodo-3-methylthiophene (stabilized with Copper chip)
EINECS	Contact for details

Quality Control

Our 2,5-Diiodo-3-Methylthiophene is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including HPLC, GC, and NMR, to verify identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment. We support cGMP and ISO 9001 compliant production for research and development 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, handling and storage should minimize exposure to direct light.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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