Description

3,5-Diiodophenol is a halogenated phenolic compound of significant interest in advanced organic synthesis. This high-purity intermediate is valued for its role as a versatile building block in the development of complex molecules, particularly in pharmaceutical and agrochemical research. It is essential for industries focused on creating active pharmaceutical ingredients (APIs), specialty dyes, and advanced materials, where precise chemical functionality is critical.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of thyroid hormone analogs, X-ray contrast media agents, and other iodine-containing bioactive molecules.
• Agrochemical Synthesis: Used in the research and development of novel herbicides and fungicides that leverage its phenolic and halogenated structure.
• Ligand and Catalyst Development: Serves as a building block for creating specialized ligands used in metal-catalyzed cross-coupling reactions and other catalytic processes.
• Polymer and Material Science: Incorporated into the synthesis of specialty polymers, resins, and high-performance materials requiring halogenated aromatic units.
• Dye and Pigment Manufacturing: Acts as an intermediate in the production of specific iodine-complex dyes and colorants.
• Research and Development: A valuable reagent in academic and industrial R&D labs for exploring new organic transformations and molecular architectures.

Basic Information

Product Name	3,5-Diiodophenol
CAS No.	20981-79-7
Molecular Formula	C6H4I2O
Molecular Weight	345.90 g/mol
Synonyms	3,5-Diiodophenol; Phenol, 3,5-diiodo-; 1-Hydroxy-3,5-diiodobenzene; 3,5-Diiodo-1-hydroxybenzene; 3,5-Diiodophenol (technical grade); DIODOPHENOL; 3,5-DIP
EINECS	Contact for details

Quality Control

Our 3,5-Diiodophenol is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR to verify identity and potency. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to support your quality assurance protocols.

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 incompatible materials such as strong oxidizing agents and bases. The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 100 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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