Description

2-(2-(2-Methoxyethoxy)Ethoxy)Ethyl 4-Methylbenzenesulfonate is a specialized organic sulfonate ester compound, CAS NO 62921-74-8, valued for its role as a versatile chemical intermediate and protecting group reagent. Its molecular structure, featuring a hydrophilic triethylene glycol monomethyl ether chain linked to a tosylate leaving group, makes it a critical building block in advanced organic synthesis. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries who require high-purity intermediates for constructing complex molecules.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for introducing polyether side chains or as a protecting group.
• Polymer Chemistry: Used as a monomer or functionalization agent in the production of specialty polymers, including polyethers and surfactants.
• Agrochemical Synthesis: Intermediate in the manufacture of herbicides, pesticides, and plant growth regulators requiring specific ether-linked functionalities.
• Material Science: Employed in surface modification, creation of self-assembled monolayers (SAMs), and the development of functional coatings.
• Cross-coupling Reactions: Serves as an alkylating agent in palladium-catalyzed and other metal-mediated coupling reactions.
• Ligand and Catalyst Preparation: Useful for synthesizing chelating ligands and modifying catalysts with polyether chains to alter solubility and activity.
• Bioconjugation: Potential use in linking biomolecules with synthetic polymers or reporter groups for diagnostic applications.
• Organic Synthesis Research: A valuable reagent for academic and industrial R&D exploring new synthetic methodologies and compound libraries.

Basic Information

Item	Details
Product Name	2-(2-(2-Methoxyethoxy)Ethoxy)Ethyl 4-Methylbenzenesulfonate
CAS No.	62921-74-8
Molecular Formula	C15H24O7S
Molecular Weight	348.42 g/mol
Synonyms	TEG-MME Tosylate; 2-[2-(2-Methoxyethoxy)ethoxy]ethyl p-toluenesulfonate; Triethylene glycol monomethyl ether tosylate; Triethylene glycol methyl ether tosylate; p-Toluenesulfonic acid 2-[2-(2-methoxyethoxy)ethoxy]ethyl ester; PEG3 methyl ether tosylate; mPEG3-OTs; 4-Methylbenzenesulfonic acid 2-[2-(2-methoxyethoxy)ethoxy]ethyl ester
EINECS	Contact for details

Quality Control

Our 2-(2-(2-Methoxyethoxy)Ethoxy)Ethyl 4-Methylbenzenesulfonate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for advanced synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment. We support compliance with relevant regulatory frameworks, including REACH.

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 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
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.