Description

Ethanol, 2-[2-(2-Hydroxyethoxy)ethoxy]-, 1-(4-methylbenzenesulfonate) is a specialized organic intermediate, specifically a tosylate derivative of a triethylene glycol monoether. This compound is valued for its role as a versatile building block in advanced organic synthesis, where its activated sulfonate ester group enables efficient nucleophilic substitution reactions. It is primarily sought by research and development laboratories, pharmaceutical manufacturers, and fine chemical producers for creating complex molecules, polymers, and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring polyether side chains or specific functionalization.
• Polymer Chemistry: Used as a monomer or chain transfer agent in the production of specialized polyethers, surfactants, and non-ionic polymers.
• Ligand and Catalyst Synthesis: Serves as a starting material for preparing chelating ligands, phase-transfer catalysts, and other auxiliary agents used in catalytic processes.
• Surface Modification Agent: Employed to introduce hydrophilic poly(ethylene glycol) (PEG) chains onto surfaces or molecules to alter solubility, biocompatibility, or surface properties.
• Crosslinking Agent: Functions in the formulation of coatings, adhesives, and resins where controlled crosslinking is required.
• Organic Synthesis Reagent: A valuable reagent for introducing protected or activated ethylene glycol units into target molecules in multi-step synthetic routes.

Basic Information

Item	Detail
Product Name	Ethanol, 2-[2-(2-Hydroxyethoxy)ethoxy]-, 1-(4-Methylbenzenesulfonate)
CAS No.	77544-68-4
Molecular Formula	C13H20O7S
Molecular Weight	320.36 g/mol
Synonyms	2-[2-(2-Hydroxyethoxy)ethoxy]ethyl 4-methylbenzenesulfonate; Triethylene glycol monomethyl ether tosylate; Tri(ethylene glycol) monomethyl ether tosylate; PEG3 monomethyl ether tosylate; mPEG3-OTs; 4-Methylbenzenesulfonic acid 2-[2-(2-methoxyethoxy)ethoxy]ethyl ester; 2-(2-(2-Methoxyethoxy)ethoxy)ethyl p-toluenesulfonate
EINECS	Contact for details

Quality Control

Our production of Ethanol, 2-[2-(2-Hydroxyethoxy)ethoxy]-, 1-(4-methylbenzenesulfonate) adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and structural confirmation, to ensure consistency and reliability for sensitive synthetic applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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