Description

Ethyl-p-Toluenesulfonamide is a versatile organic chemical intermediate belonging to the sulfonamide class, characterized by its ethyl and p-toluenesulfonyl functional groups. This compound matters for its role as a key building block in the synthesis of more complex molecules, offering valuable chemical reactivity and structural features. Industries such as pharmaceuticals, agrochemicals, and specialty polymers need it for developing active ingredients, functional additives, and advanced materials. Its stable yet modifiable structure makes it a reliable precursor in multi-step synthetic routes.

Application

• As a crucial pharmaceutical intermediate in the synthesis of active pharmaceutical ingredients (APIs), particularly for sulfonamide-based drugs.
• Utilized in agrochemical production as a precursor for herbicides, fungicides, and plant growth regulators.
• Serves as a monomer or modifier in the production of specialty polymers and resins, enhancing material properties.
• Acts as a key intermediate in dye and pigment chemistry for creating colorants with specific fastness and solubility profiles.
• Employed in organic synthesis research and development for constructing novel chemical entities.
• Used in the formulation of certain plasticizers and stabilizers for industrial applications.

Basic Information

Product Name	Ethyl-p-Toluenesulfonamide
CAS No.	1321-54-6
Molecular Formula	C9H13NO2S
Molecular Weight	199.27 g/mol
Synonyms	N-Ethyl-4-methylbenzenesulfonamide; p-Toluenesulfonethylamide; 4-Methyl-N-ethylbenzenesulfonamide; Ethyl tosylamide; N-Ethyl-p-toluenesulfonamide; N-Ethyltosylamide; Ethyl (4-methylphenyl)sulfonylamine; Benzenesulfonamide, N-ethyl-4-methyl-
EINECS	215-324-6

Quality Control

Our Ethyl-p-Toluenesulfonamide is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including identity confirmation, purity assay, and impurity profiling. Certificates of Analysis (COA) detailing all test results are provided and available upon request, ensuring full transparency and compliance with your procurement standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. The product is generally stable under recommended conditions.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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