Description

13-Methyl-3,6,9,12-tetraoxatetradecan-1-ol is a high-purity polyether alcohol, also known as a tetraethylene glycol monomethyl ether, valued for its excellent solvent properties and chemical stability. This compound is a crucial intermediate and functional additive in advanced manufacturing, offering a unique balance of hydrophilicity and lipophilicity. It is primarily sought by the pharmaceutical, agrochemical, and specialty polymer industries for applications requiring precise solvation and controlled reactivity.

Application

• Pharmaceutical Synthesis: Acts as a solvent and reaction medium for APIs, and as a building block for prodrugs or drug conjugates.
• Agrochemical Formulations: Used as a co-solvent and penetrant in herbicides, pesticides, and plant growth regulators.
• Polymer & Resin Production: Serves as a monomer or chain transfer agent in the synthesis of polyethers, polyesters, and polyurethanes.
• Chemical Intermediate: A key precursor for further ethoxylation or functionalization to create surfactants and specialty chemicals.
• Electronics & Photoresists: Employed as a high-purity solvent in photoresist formulations and electronics cleaning processes.
• Inks & Coatings: Functions as a coalescing agent and viscosity modifier in water-based and solvent-based systems.

Basic Information

Product Name	13-Methyl-3,6,9,12-tetraoxatetradecan-1-ol
CAS No.	50668-49-0
Molecular Formula	C11H24O5
Molecular Weight	236.31 g/mol
Synonyms	Tetraethylene glycol monomethyl ether; Methyltetraglycol; 2-[2-[2-(2-Methoxyethoxy)ethoxy]ethoxy]ethanol; 3,6,9,12-Tetraoxatetradecan-1-ol, 13-methyl-; MeO-TEG-OH; MTG; Tetraglyme monomethyl ether; PEG-4 methyl ether
EINECS	256-685-1

Quality Control

Our 13-Methyl-3,6,9,12-tetraoxatetradecan-1-ol is manufactured under a strict quality management system. Every batch is analyzed to meet exacting purity standards, with typical grades exceeding 98.0% (GC). We provide comprehensive Certificates of Analysis (COA) detailing assay, identity, and impurity profiles to ensure compliance with your specific application requirements, from industrial to pharmaceutical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at 15-25°C. This product is hygroscopic (moisture-sensitive) and should be handled under a dry atmosphere to prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.440 - 1.445
Density (20°C)	1.090 - 1.110 g/mL

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