Description

Benzenesulfonylazide CAS NO 938-10-3 is a versatile organic azide compound widely used as a key reagent in synthetic chemistry. Its primary value lies in its ability to act as a nitrene precursor and a sulfonylating agent, enabling critical transformations in complex molecule construction. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those containing sulfonamide or heterocyclic structures.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides, contributing to improved crop protection solutions.
• Polymer Modification: Employed as a cross-linking agent or functional group introducer in the production of specialty polymers and high-performance materials.
• Nitrene Chemistry: Serves as a stable and efficient source of nitrenes for C-H amination and other insertion reactions in organic synthesis.
• Peptide & Protein Research: Utilized in bioconjugation and labeling strategies due to its reactive azide group, which can participate in click chemistry reactions.
• Material Science: Applied in surface functionalization and the creation of advanced coatings with specific chemical properties.

Basic Information

Product Name	Benzenesulfonylazide
CAS No.	938-10-3
Molecular Formula	C6H5N3O2S
Molecular Weight	183.19 g/mol
Synonyms	Benzenesulfonyl azide; Benzenesulphonyl azide; Phenylsulfonyl azide; Benzenesulfonazide; Azidosulfonylbenzene; BSA; Benzenesulfonylazid; NSC 403697; EINECS 213-341-5
EINECS	213-341-5

Quality Control

Our Benzenesulfonylazide is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as assay, identity, and impurity profiles. We adhere to relevant industry standards and can provide material tailored to specific research or cGMP requirements upon request.

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/59-77°F). Due to its light-sensitive and easily oxidized nature, it is recommended to handle and store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, open flames, and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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