Description

1,4-Dihydroxy-2-Iodobenzene is a halogenated dihydroxybenzene derivative, a versatile organic intermediate prized for its unique reactivity profile. Its molecular structure, featuring both phenolic hydroxyl groups and an iodine substituent, makes it a valuable synthon for constructing complex molecules in advanced chemical synthesis. This compound is particularly relevant for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors seeking to introduce iodine or phenolic functionalities into target structures. The CAS number for this compound is 23030-43-5.

Application

1,4-Dihydroxy-2-Iodobenzene serves as a critical building block in several high-value industrial and research applications:

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring iodinated aromatic cores or specific phenolic coupling sites.
• Agrochemical Synthesis: Acts as a precursor for developing novel herbicides, fungicides, and plant growth regulators where the iodine atom facilitates further functionalization.
• Liquid Crystal Materials: Employed in the production of advanced organic electronic materials and liquid crystal displays (LCDs) due to its rigid, polarizable structure.
• Polymer Chemistry: Functions as a monomer or cross-linking agent in the synthesis of specialty polymers, including high-performance resins and engineering plastics.
• Organic Synthesis & Research: A key reagent in Suzuki, Stille, and other palladium-catalyzed cross-coupling reactions, enabling the construction of complex biaryl systems.
• Dye & Pigment Manufacturing: Utilized as an intermediate in the production of certain iodine-containing dyes and organic pigments.

Basic Information

Product Name	1,4-Dihydroxy-2-Iodobenzene
CAS No.	23030-43-5
Molecular Formula	C6H5IO2
Molecular Weight	236.01 g/mol
Synonyms	2-Iodohydroquinone; 2-Iodo-1,4-benzenediol; 2-Iodo-1,4-dihydroxybenzene; Iodohydroquinone; 1,4-Benzenediol, 2-iodo-; Hydroquinone, 2-iodo-
EINECS	Contact for details

Quality Control

Our 1,4-Dihydroxy-2-Iodobenzene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets the high-purity standards required for sensitive synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158°C - 162°C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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