Description

3,5-Diiodobenzoic Acid is a high-purity iodinated aromatic carboxylic acid building block of significant importance in advanced organic synthesis. Its unique di-iodo substitution pattern makes it a valuable precursor for the development of pharmaceuticals, agrochemicals, and specialty materials. This compound is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and material science sectors for creating novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of thyroid hormone analogs, X-ray contrast agents, and other iodine-containing active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used as a building block for developing novel herbicides, fungicides, and plant growth regulators that leverage iodine's bioactivity.
• Material Science: Serves as a monomer or cross-linking agent in the production of specialty polymers, liquid crystals, and organic electronic materials.
• Chemical Synthesis: Employed in Suzuki, Sonogashira, and other palladium-catalyzed cross-coupling reactions to introduce iodine functionalities into complex molecules.
• Research & Development: A standard reagent in academic and industrial R&D labs for exploring new synthetic pathways and creating molecular libraries.
• Diagnostic Agent Precursor: Utilized in the development of radioactive iodine-labeled compounds for medical imaging and diagnostic applications.

Basic Information

Product Name	3,5-Diiodobenzoic Acid
CAS No.	19094-48-5
Molecular Formula	C7H4I2O2
Molecular Weight	389.91 g/mol
Synonyms	Benzoic acid, 3,5-diiodo-; 3,5-Diiodobenzoic acid; Diiodobenzoic acid; 3,5-DIIODOBENZOIC ACID; 3,5-Diiodobenzoic Acid (CAS 19094-48-5); 19094-48-5; 3,5-Diiodo-benzoic acid
EINECS	242-829-9

Quality Control

Our 3,5-Diiodobenzoic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation (IR, NMR), 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 batch-to-batch 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 heat, sparks, and open flame. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Melting Point	255°C - 260°C
Loss on Drying	≤0.5%
Heavy Metals	≤20 ppm
Residue on Ignition	≤0.1%

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