Description

4-Iodotoluene is a versatile halogenated aromatic compound, serving as a critical building block in advanced organic synthesis. Its primary value lies in its reactivity as an intermediate for constructing complex molecules in pharmaceutical and agrochemical research. This product is essential for R&D chemists and process development scientists in the life sciences, electronics, and specialty chemical industries. The compound, CAS NO 624-31-7, is particularly valued for its role in cross-coupling reactions and as a precursor to functionalized toluene derivatives.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates via Suzuki, Stille, and other cross-coupling reactions.
• Agrochemical Synthesis: Used in the manufacture of herbicides, fungicides, and pesticides, where the iodine atom facilitates further functionalization.
• Liquid Crystal & OLED Materials: Serves as a building block for creating advanced organic electronic materials and display components.
• Organic Ligand Preparation: Employed in the synthesis of specialized ligands for catalysis and material science applications.
• Chemical Research & Development: A fundamental reagent in academic and industrial labs for method development and exploring new synthetic pathways.
• Dye & Pigment Manufacturing: Intermediate for producing specialized iodinated aromatic dyes and colorants.

Basic Information

Product Name	4-Iodotoluene
CAS No.	624-31-7
Molecular Formula	C7H7I
Molecular Weight	218.04 g/mol
Synonyms	p-Iodotoluene; 1-Iodo-4-methylbenzene; 4-Methyliodobenzene; p-Tolyliodide; 4-Methylphenyl iodide; para-Iodotoluene; Toluene, p-iodo-; Iodomethylbenzene (para)
EINECS	210-831-2

Quality Control

Our 4-Iodotoluene is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, and we support compliance with global regulatory standards including REACH. Specifications can be customized to meet specific project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and organic solvents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Total impurities ≤ 2.0%
Density (20°C)	~1.70 g/mL
Boiling Point	~211-212 °C

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