Description

3,5-Diiodo-4-Hydroxybenzaldehyde is a halogenated aromatic aldehyde derivative, serving as a versatile and critical synthetic intermediate in advanced organic chemistry. Its unique structure, featuring two iodine atoms and a phenolic hydroxyl group, makes it a valuable precursor for constructing complex molecules, particularly in pharmaceutical and material science research. This compound is essential for researchers and manufacturers developing active pharmaceutical ingredients (APIs), specialty dyes, and high-performance polymers.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of thyroid hormone analogs, X-ray contrast media agents, and other iodine-containing bioactive molecules.
• Chemical Synthesis: Used as a versatile precursor for cross-coupling reactions (e.g., Suzuki, Sonogashira) and for introducing the diiodophenol moiety into larger molecular frameworks.
• Material Science: Serves as a monomer or cross-linking agent in the development of specialty polymers, resins, and liquid crystals with specific optical or electronic properties.
• Research & Development: Employed in academic and industrial R&D for exploring new synthetic pathways and creating novel chemical entities for screening.
• Agrochemical Synthesis: Intermediate in the development of new crop protection agents and herbicides.
• Dye and Pigment Manufacturing: Used in the synthesis of complex organic dyes and pigments, leveraging its iodine substituents for color and stability modification.

Basic Information

Product Name	3,5-Diiodo-4-Hydroxybenzaldehyde
CAS No.	1948-40-9
Molecular Formula	C7H4I2O2
Molecular Weight	389.91 g/mol
Synonyms	4-Hydroxy-3,5-diiodobenzaldehyde; 3,5-Diiodo-4-hydroxybenzaldehyde; 3,5-Diiodo-4-formylphenol; 4-Formyl-2,6-diiodophenol; 2,6-Diiodo-4-hydroxybenzaldehyde; 2,6-Diiodo-4-formylphenol; DIHB; 1948-40-9 (CAS)
EINECS	217-763-4

Quality Control

Our 3,5-Diiodo-4-Hydroxybenzaldehyde is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment ensures the material meets the stringent requirements for research and cGMP-grade pharmaceutical synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be amber glass or opaque to prevent degradation.

Specification

Item	Specification
Appearance	Off-white to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	218°C - 222°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.