Description

4-Iodobenzenesulfonohydrazide is a specialized organoiodine compound belonging to the sulfonohydrazide class, serving as a versatile synthetic intermediate. Its core value lies in its ability to act as a key precursor for the generation of sulfonyl radicals and other reactive species, enabling the construction of complex molecular architectures. This compound is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors, where it is used to introduce sulfonyl and iodine functionalities into target molecules.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those containing sulfonamide or aryl iodide moieties for further functionalization via cross-coupling reactions.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides that leverage the biological activity of sulfonylhydrazide derivatives.
• Polymer & Materials Science: Employed as a monomer or modifying agent in the development of specialty polymers, coatings, and functional materials with specific electronic or surface properties.
• Organic Synthesis Reagent: Utilized in radical reactions and as a sulfonylating agent for the preparation of sulfones, sulfonamides, and other sulfur-containing compounds in academic and industrial R&D.
• Chemical Biology Probe Development: Serves as a precursor for photoaffinity labeling reagents or other chemical probes used to study protein function and interactions.

Basic Information

Product Name	4-Iodobenzenesulfonohydrazide
CAS No.	2751-27-1
Molecular Formula	C6H7IN2O2S
Molecular Weight	298.10 g/mol
Synonyms	p-Iodobenzenesulfonohydrazide; Benzenesulfonohydrazide, 4-iodo-; 4-Iodophenylsulfonohydrazide; 1-(4-Iodophenyl)sulfonylhydrazine; 2751-27-1; NSC 403697; p-Iodophenylsulfonohydrazide
EINECS	220-400-5

Quality Control

Our 4-Iodobenzenesulfonohydrazide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This material is light-sensitive and easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen or argon to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	158 - 162 °C
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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