Description

4-n-Propylbenzenesulfonyl Chloride is a key organic sulfonyl chloride intermediate used in the synthesis of more complex molecules. Its primary value lies in its reactivity as a sulfonating agent, enabling the introduction of the sulfonyl functional group into target compounds. This makes it an essential building block for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for creating sulfonamides and other active ingredients.

Application

• Pharmaceutical Intermediate: Critical for the synthesis of active pharmaceutical ingredients (APIs), especially sulfonamide-based drugs.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents.
• Dyestuff and Pigment Manufacturing: Serves as a key reactant in the creation of sulfonated dyes and colorants.
• Polymer Modification: Employed to introduce sulfonyl groups into polymer chains, altering their physical and chemical properties.
• Chemical Research & Development: A versatile reagent in organic synthesis for constructing complex molecular architectures in R&D laboratories.
• Liquid Crystal Material Production: Used in the synthesis of certain sulfonyl-based compounds for electronic displays.

Basic Information

Product Name	4-n-Propylbenzenesulfonyl Chloride
CAS No.	146949-07-7
Molecular Formula	C9H11ClO2S
Molecular Weight	218.70 g/mol
Synonyms	p-Propylbenzenesulfonyl Chloride; 4-Propylbenzenesulfonyl Chloride; 1-Propyl-4-sulfonylchloridobenzene; Benzenesulfonyl chloride, 4-propyl-; 4-n-Propylphenylsulfonyl chloride; p-n-Propylphenylsulfonyl chloride; 4-Propylbenzene-1-sulfonyl chloride
EINECS	Contact for details

Quality Control

Our 4-n-Propylbenzenesulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including assay and impurity profiling by HPLC, to ensure it meets the high-purity standards required for synthetic applications. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability, consistency, and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to prevent decomposition. Keep away from strong bases, oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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