Description

n-Chloro-p-Toluenesulfonamide is a versatile organic sulfonamide derivative, primarily recognized for its role as a key synthetic intermediate and chlorinating agent. Its commercial value lies in its ability to introduce the chlorosulfonamide functional group, enabling the synthesis of more complex molecules with specific biological or chemical properties. This compound is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical sectors seeking to develop new active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of active pharmaceutical ingredients (APIs), particularly sulfa drugs and other therapeutic agents.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and pesticides, where the chlorosulfonamide moiety contributes to biological activity.
• Chemical Reagent: Acts as a specialized chlorinating and sulfonamidating agent in organic synthesis laboratories for research and development.
• Dye and Pigment Manufacturing: Employed in the synthesis of certain sulfonamide-based dyes and colorants.
• Polymer Modification: Can be used to introduce functional groups into polymer chains to alter material properties.
• Cross-linking Agent: Potential use in creating cross-linked networks in resins or specialty coatings.

Basic Information

Product Name	n-Chloro-p-Toluenesulfonamide
CAS No.	144-86-5
Molecular Formula	C7H8ClNO2S
Molecular Weight	205.66 g/mol
Synonyms	4-Methylbenzenesulfonylchloramide; N-Chloro-4-methylbenzenesulfonamide; p-Toluenesulfonylchloramide; Chloramine-T Precursor; Tosylchloramide; N-Chloro-p-toluenesulfonamide; N-Chloro-4-toluenesulfonamide; NSC 403841
EINECS	205-635-2

Quality Control

Our n-Chloro-p-Toluenesulfonamide is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing including assay (HPLC), identification (IR), and impurity profiling to ensure it meets exacting standards for purity and consistency. Certificates of Analysis (COA) are provided with every shipment, detailing all relevant specifications. We adhere to cGMP principles where applicable to support our customers in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is light-sensitive and should be kept away from direct light and heat sources. Keep container tightly sealed when not in use to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	83 - 87 °C
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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