Description

4,5-Diiodo-1,2-Benzenediol is a halogenated dihydroxybenzene derivative, a versatile and highly functionalized organic intermediate. Its value lies in its unique molecular structure, which serves as a critical building block for synthesizing more complex molecules in advanced research and manufacturing. This compound is particularly relevant for pharmaceutical R&D, agrochemical development, and the synthesis of specialty polymers and dyes.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring halogenated aromatic cores.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Polymer Chemistry: Serves as a monomer or cross-linking agent for creating high-performance, halogen-containing polymers with specific thermal or flame-retardant properties.
• Organic Synthesis Building Block: Utilized in coupling reactions (e.g., Suzuki, Heck) to construct complex polycyclic structures for material science and chemical research.
• Dye and Pigment Manufacturing: Acts as an intermediate in the production of specialized iodine-containing colorants.
• Research & Development: Employed in academic and industrial labs for methodological studies and the discovery of new chemical entities.

Basic Information

Product Name	4,5-Diiodo-1,2-Benzenediol
CAS No.	171292-90-3
Molecular Formula	C6H4I2O2
Molecular Weight	377.90 g/mol
Synonyms	4,5-Diiodocatechol; 4,5-Diiodo-1,2-dihydroxybenzene; 1,2-Dihydroxy-4,5-diiodobenzene; 4,5-Diiodopyrocatechol; Catechol, 4,5-diiodo-; Benzenediol, 4,5-diiodo-
EINECS	Contact for details

Quality Control

Our 4,5-Diiodo-1,2-Benzenediol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets precise customer specifications. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request.

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.

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
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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