Description

n-Benzylanilide-n-Ethyl-3-Sulfonic Acid CAS NO 42803-77-0 is a specialized organic sulfonic acid derivative, serving as a key intermediate in advanced chemical synthesis. Its value lies in its unique molecular structure, which provides a reactive sulfonic acid group and a benzylanilide moiety, making it a versatile building block for creating complex molecules. This compound is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries who require high-purity intermediates for synthesizing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring sulfonamide or sulfonic acid ester functionalities.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where its aromatic and acidic properties are leveraged.
• Dye and Pigment Manufacturing: Acts as a precursor or intermediate in the synthesis of sulfonated dyes, pigments, and optical brighteners, contributing to color fastness and solubility.
• Polymer Modification: Employed to introduce sulfonic acid groups into polymers, enhancing properties like hydrophilicity, ion-exchange capacity, or dyeability for specialty resins and fibers.
• Chemical Research & Development: Serves as a valuable reagent in organic synthesis for academic and industrial R&D labs exploring new synthetic pathways.
• Surfactant and Detergent Intermediate: Can be utilized in the production of specialized anionic surfactants due to its sulfonic acid group.

Basic Information

Item	Detail
Product Name	n-Benzylanilide-n-Ethyl-3-Sulfonic Acid
CAS No.	42803-77-0
Molecular Formula	C21H19NO3S
Molecular Weight	365.45 g/mol
Synonyms	N-Benzyl-N-ethyl-3-aminobenzenesulfonic acid; 3-[(Benzyl)(ethyl)amino]benzenesulfonic acid; N-Ethyl-N-benzyl-3-aminobenzenesulfonic acid; N-Ethyl-N-benzylaniline-3-sulfonic acid; Benzenesulfonic acid, 3-[(ethylphenylamino)methyl]-; Benzylanilide ethyl sulfonic acid; BESA (abbreviation); Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Every batch of n-Benzylanilide-n-Ethyl-3-Sulfonic Acid is produced and tested under a strict quality management system. We ensure compliance with relevant industry standards and customer-specific requirements. Comprehensive testing includes identity confirmation, purity assay, and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and product integrity.

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). This product is hygroscopic (moisture-sensitive) and should be kept under dry conditions to prevent degradation. Keep away from strong bases and oxidizing agents.

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

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