Description

3,4-Diiodophenol is a halogenated phenolic compound of significant interest in advanced organic synthesis. Its value lies in its utility as a versatile building block for constructing complex molecules, particularly in pharmaceutical and materials science research. This compound is primarily needed by R&D chemists and process development scientists working in pharmaceutical intermediates, agrochemicals, and specialty polymer synthesis. The high purity of our product ensures reliable and reproducible results in critical synthetic pathways.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially those requiring halogenated aromatic scaffolds.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Materials: Serves as a building block for creating halogenated aromatic cores in advanced electronic and display materials.
• Polymer Modification: Employed to introduce iodine functional groups into polymer chains, altering physical properties for specialized applications.
• Cross-Coupling Reactions: An effective substrate in palladium-catalyzed reactions like Suzuki, Stille, or Sonogashira couplings for carbon-carbon bond formation.
• Ligand & Catalyst Development: Useful for synthesizing novel ligands and organocatalysts used in asymmetric synthesis.
• Research & Development: A valuable tool in academic and industrial R&D for exploring new chemical entities and reaction methodologies.
• Dye & Pigment Intermediate: Can be used in the synthesis of specialized halogenated dyes and colorants.

Basic Information

Product Name	3,4-Diiodophenol
CAS No.	1243476-86-9
Molecular Formula	C6H4I2O
Molecular Weight	345.90 g/mol
Synonyms	3,4-Diiodo-1-hydroxybenzene; 1-Hydroxy-3,4-diiodobenzene; 3,4-Diiodophenol; Phenol, 3,4-diiodo-; 3,4-DIIODOPHENOL; 1243476-86-9; 3,4-Diiodo-phenol
EINECS	Contact for details

Quality Control

Our 3,4-Diiodophenol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents and bases. Due to its light-sensitive nature, prolonged exposure to light should be avoided.

Specification

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

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