Description

p-Toluenesulfonamide is a versatile organic intermediate and fine chemical widely used in industrial synthesis. This compound serves as a crucial building block for the production of pharmaceuticals, agrochemicals, and specialty polymers, offering reliable reactivity and structural functionality. Key industries that utilize this material include plasticizers, dyes, and resin manufacturing, where it acts as a key modifier and cross-linking agent.

Application

• Pharmaceutical Intermediate: Used in the synthesis of various active pharmaceutical ingredients (APIs) and sulfa drugs.
• Plasticizer Production: Acts as a key component in the manufacture of specialty plasticizers for polymers like PVC.
• Dye and Pigment Manufacturing: Serves as an intermediate for producing sulfonamide-based dyes and colorants.
• Resin Modifier: Employed in epoxy and phenolic resin systems to enhance properties like flexibility and curing.
• Agrochemical Synthesis: A precursor in the production of certain herbicides and fungicides.
• Cross-linking Agent: Used in the vulcanization of rubber and in other polymer cross-linking applications.
• Chemical Research & Development: A valuable reagent in organic synthesis laboratories for constructing complex molecules.

Basic Information

Product Name	p-Toluenesulfonamide
CAS No.	70-55-3
Molecular Formula	C7H9NO2S
Molecular Weight	171.22 g/mol
Synonyms	4-Methylbenzenesulfonamide; p-Tolylsulfonamide; Tosylamide; Toluenesulfonamide; 4-Toluenesulfonamide; PTSA; TSA; NCI-C01839; Benzenesulfonamide, 4-methyl-
EINECS	200-741-1

Quality Control

Our p-Toluenesulfonamide is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for each lot, detailing key parameters such as assay, melting point, and impurity profiles. The product meets relevant industry standards for use as an industrial intermediate.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.5%
Melting Point	136°C - 140°C
Loss on Drying	≤ 0.5%
Sulfated Ash	≤ 0.1%

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