Description

2-Aminophenol-4-Sulfonanilide is a specialized organic intermediate of significant importance in fine chemical synthesis. This compound matters for its role as a key building block in the production of dyes, pigments, and functional chemicals. Industries such as textile manufacturing, specialty chemical production, and research & development require this high-purity intermediate for developing colorants and other advanced materials.

Application

• Dye and Pigment Intermediate: A crucial precursor in the synthesis of azo dyes and other complex colorants for textiles, inks, and plastics.
• Pharmaceutical Intermediate: Used in the research and development of certain active pharmaceutical ingredients (APIs) and diagnostic agents.
• Chemical Research & Development: Serves as a versatile building block in organic synthesis for creating novel sulfonamide and aniline derivatives.
• Photographic Chemicals: Employed in the formulation of certain specialty chemicals used in photographic development processes.
• Functional Material Synthesis: Used in the production of polymers and materials where specific sulfonamide functional groups are required.

Basic Information

Product Name	2-Aminophenol-4-Sulfonanilide
CAS No.	80-20-6
Molecular Formula	C12H12N2O3S
Molecular Weight	264.30 g/mol
Synonyms	4-(2-Aminophenoxy)benzenesulfonamide; N-(2-Aminophenyl)-4-sulfamoylbenzamide; 2-Amino-N-(4-sulfamoylphenyl)benzamide; 2-Aminophenol-4-sulfonamide; Aniline, 2-amino-4-sulfonamido-; 4-Sulfanilyl-2-aminophenol; 2-Amino-4'-sulfamoyldiphenylamine
EINECS	Contact for details

Quality Control

Our 2-Aminophenol-4-Sulfonanilide is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including HPLC for assay and related substances, to meet exacting customer specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep the container tightly sealed to protect from moisture. Store away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Light yellow to beige crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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