Description

Benzenesulfonamide, 3-Amino-2-Hydroxy- (9Ci) is a specialized aromatic sulfonamide derivative characterized by its unique amino and hydroxyl substituents. This compound serves as a valuable high-purity chemical intermediate for the synthesis of more complex molecules in advanced research and development. It is primarily required by industries focused on pharmaceutical development, agrochemical innovation, and the creation of functional dyes and pigments.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting enzymatic pathways where sulfonamide motifs are active.
• Agrochemical Synthesis: Used in the research and development of new herbicides and fungicides, leveraging its bioactive benzenesulfonamide core.
• Dye and Pigment Manufacturing: Serves as a precursor for azo dyes and other colorants, where the amino and hydroxyl groups facilitate chromophore formation and solubility modification.
• Chemical Research & Development: Employed in organic synthesis laboratories as a versatile scaffold for creating libraries of compounds for screening and material science applications.
• Ligand and Chelating Agent Precursor: The functional groups make it a candidate for developing ligands used in catalysis or metal ion sequestration.

Basic Information

Item	Detail
Product Name	Benzenesulfonamide, 3-Amino-2-Hydroxy- (9Ci)
CAS No.	473734-93-9
Molecular Formula	C6H8N2O3S
Molecular Weight	188.21 g/mol
Synonyms	3-Amino-2-hydroxybenzenesulfonamide; 2-Hydroxy-3-aminobenzenesulfonamide; 3-Amino-2-hydroxybenzene-1-sulfonamide; 2-Amino-3-hydroxybenzenesulfonamide (tautomer); 1-Amino-2-hydroxy-3-sulfamoylbenzene; AHS; 3-A-2-HBSA
EINECS	Contact for details

Quality Control

Our production of Benzenesulfonamide, 3-Amino-2-Hydroxy- (9Ci) adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We support cGMP and ISO 9001 aligned practices, and specifications can be tailored to meet specific project requirements for advanced R&D and scale-up.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled 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	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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