Description

Propargyl p-Toluenesulfonate is a specialized organic sulfonate ester, a key building block in advanced chemical synthesis. This compound is valued for its role as a versatile alkylating and functionalization agent, enabling the introduction of the propargyl group into complex molecular architectures. It is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries for developing active ingredients, polymers, and fine chemicals.

Application

• Pharmaceutical Intermediate: A critical reagent in the synthesis of active pharmaceutical ingredients (APIs), particularly for introducing alkyne functionalities for further coupling reactions (e.g., Click Chemistry).
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators where the propargyl moiety is a key structural component.
• Polymer & Material Science: Serves as a monomer or cross-linking agent in the development of specialty polymers, resins, and functional materials with tailored properties.
• Organic Synthesis Building Block: Employed as a versatile alkylating agent in academic and industrial R&D for constructing complex organic molecules, natural products, and dyes.
• Ligand & Catalyst Preparation: Useful in the preparation of specialized ligands and organometallic catalysts used in asymmetric synthesis and catalysis.

Basic Information

Product Name	Propargyl p-Toluenesulfonate
CAS No.	6165-76-0
Molecular Formula	C10H10O3S
Molecular Weight	210.25 g/mol
Synonyms	Propargyl Tosylate; p-Toluenesulfonic Acid Propargyl Ester; 4-Methylbenzenesulfonic Acid 2-Propynyl Ester; 2-Propynyl Tosylate; Propargyl 4-Methylbenzenesulfonate; Tosyl Propargyl Ester; Propargyl p-Tosylate; Propargyl Tosylate Ester
EINECS	Contact for details

Quality Control

Our Propargyl p-Toluenesulfonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to exclude moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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