Description

4-Hydroxy-3-[[2-Oxo-1-(Phenylcarbamoyl)Propyl]Azo]Benzenesulfonamide CAS NO 21811-92-7 is a specialized azo compound featuring a benzenesulfonamide core, designed for high-performance applications requiring precise chemical functionality. This product matters for its role as a key synthetic intermediate or active component in advanced material science and specialty chemical synthesis. Industrial and research clients in the pharmaceutical, dye, and polymer sectors need this compound for developing novel formulations and conducting critical research.

Application

• Primary intermediate in the synthesis of specialized azo dyes and pigments for textiles and coatings.
• Key building block in pharmaceutical research for developing sulfonamide-based active pharmaceutical ingredients (APIs).
• Functional monomer or additive in the production of high-performance polymers with specific optical or chemical properties.
• Research chemical in analytical chemistry as a reagent or standard for method development.
• Precursor for liquid crystal and other advanced electronic material synthesis.
• Component in the formulation of specialty inks and colorants for industrial printing.

Basic Information

Product Name	4-Hydroxy-3-[[2-Oxo-1-(Phenylcarbamoyl)Propyl]Azo]Benzenesulfonamide
CAS No.	21811-92-7
Molecular Formula	C₁₆H₁₆N₄O₅S
Molecular Weight	376.39 g/mol
Synonyms	Benzenesulfonamide, 4-hydroxy-3-[[2-oxo-1-[(phenylamino)carbonyl]propyl]azo]-; 3-[(1-Carbamoyl-2-oxopropyl)azo]-4-hydroxybenzenesulfonamide; 1-(Phenylcarbamoyl)-2-oxopropyl azo derivative of 4-hydroxybenzenesulfonamide; Azo sulfonamide derivative; 21811-92-7; NSC 403014
EINECS	Contact for details

Quality Control

Our production of 4-Hydroxy-3-[[2-Oxo-1-(Phenylcarbamoyl)Propyl]Azo]Benzenesulfonamide adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability. All products undergo rigorous quality testing, including identity confirmation, purity assay, and impurity profiling. A Certificate of Analysis (COA) detailing specific results is provided with each shipment and is available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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