Description

Benzenesulfonamide, 4-Isocyanato- (9Ci) is a versatile aromatic isocyanate derivative, primarily serving as a key reactive intermediate in advanced organic synthesis. Its value lies in the dual functionality of the sulfonamide and isocyanate groups, enabling the construction of complex molecules with tailored properties. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries, where it is used to develop active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Synthesis of sulfonamide-based drug candidates, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Building block for novel herbicides, fungicides, and plant growth regulators.
• Polymer Modification: Used to introduce reactive isocyanate sites into polymer chains for cross-linking or to impart specific functional groups.
• Dye and Pigment Chemistry: Intermediate in the production of specialized colorants and photographic chemicals.
• Ligand and Chelator Development: Precursor for creating complexing agents used in catalysis or metal ion sequestration.
• Chemical Research & Development: A valuable reagent for exploring new organic reactions and synthesizing novel heterocyclic compounds.

Basic Information

Product Name	Benzenesulfonamide, 4-Isocyanato- (9Ci)
CAS No.	1773-42-8
Molecular Formula	C7H6N2O3S
Molecular Weight	198.20 g/mol
Synonyms	4-Isocyanatobenzenesulfonamide; p-Isocyanatobenzenesulfonamide; Benzenesulfonamide, p-isocyanato-; 4-Isocyanato-benzenesulfonamide; NSC 403079; 1-Isocyanato-4-sulfamoylbenzene; 4-Sulfamoylphenyl isocyanate
EINECS	Contact for details

Quality Control

Our production of Benzenesulfonamide, 4-Isocyanato- adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including purity assay and identification. Certificates of Analysis (COA) detailing specific results are available upon request to support your quality assurance and regulatory documentation needs.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Contact for details

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