Description

Di-p-Toluenesulfonamide is a high-purity organic chemical compound widely used as a versatile intermediate and building block in advanced synthesis. This compound matters for its role in facilitating the production of specialty chemicals, pharmaceuticals, and performance materials where precise molecular structure is critical. Industries that need it include pharmaceutical R&D, agrochemical manufacturing, and polymer science for creating dyes, resins, and other functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs) and other drug candidates.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents.
• Polymer & Resin Modifier: Serves as a cross-linking agent or monomer in the manufacture of specialty polymers, epoxy resins, and coatings.
• Dye & Pigment Manufacturing: Acts as an intermediate in the synthesis of complex organic dyes and colorants.
• Chemical Research & Development: Employed as a standard or reagent in organic synthesis and method development within R&D laboratories.
• Photographic Chemicals: Can be utilized in the production of certain photographic developers and sensitizers.

Basic Information

Product Name	Di-p-Toluenesulfonamide
CAS No.	3695-00-9
Molecular Formula	C14H15NO4S2
Molecular Weight	325.40 g/mol
Synonyms	Bis(4-methylphenyl)sulfonylamine; N,N-Bis(p-tolylsulfonyl)amine; Di(p-tolylsulfonyl)amine; p-Toluenesulfonamide, N,N-bis(4-methylphenyl)-; 4,4'-Dimethylbenzenesulfonanilide; Bis(p-toluenesulfonyl)amine; DTSA; DTolSA
EINECS	223-024-5

Quality Control

Our Di-p-Toluenesulfonamide is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency.

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). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed to prevent contamination and moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	168°C - 172°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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