Description

N,n-Bis(2-Hydroxyethyl)-3-Carboxybenzenesulfonamide is a versatile, multi-functional organic intermediate characterized by its sulfonamide and carboxylic acid groups. This molecular structure makes it a valuable building block for synthesizing specialty chemicals with tailored properties. It is particularly sought after by manufacturers in the pharmaceutical, agrochemical, and polymer industries for developing advanced formulations, UV stabilizers, and performance additives.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, leveraging its sulfonamide functionality.
• UV Light Stabilizer Precursor: Serves as a key intermediate for manufacturing benzotriazole and benzophenone-type UV absorbers for plastics and coatings.
• Polymer Modification Agent: Imparts hydrophilic and anionic character to polymers for applications in water treatment, dispersants, and specialty resins.
• Agrochemical Synthesis: Employed in creating novel herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Intermediate: Acts as a coupling agent and functional modifier in the production of high-performance colorants.
• Crosslinking Agent: Utilized in epoxy and polyurethane systems to modify curing profiles and final material properties.
• Chelating Agent Synthesis: A precursor for manufacturing complexing agents used in detergents and water softening.

Basic Information

Product Name	N,n-Bis(2-Hydroxyethyl)-3-Carboxybenzenesulfonamide
CAS No.	6628-11-1
Molecular Formula	C11H15NO6S
Molecular Weight	289.31 g/mol
Synonyms	3-Carboxy-N,N-bis(2-hydroxyethyl)benzenesulfonamide; Benzoic acid, 3-[[bis(2-hydroxyethyl)amino]sulfonyl]-; m-Carboxy-N,N-di(2-hydroxyethyl)benzenesulfonamide; 3-[[Bis(2-hydroxyethyl)amino]sulfonyl]benzoic acid; N,N-Di(2-hydroxyethyl)-3-sulfamoylbenzoic acid; BHCBS; Light Stabilizer Intermediate UV-1
EINECS	229-599-4

Quality Control

Our N,n-Bis(2-Hydroxyethyl)-3-Carboxybenzenesulfonamide is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency meet the agreed specifications. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting key parameters such as assay, impurity profile, and physical characteristics.

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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and handling properties.

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 (as Pb)	≤ 10 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.