Description

2,5,8,11,14,17,20,23,26-Nonaoxaheptacosane is a high-purity, long-chain polyether glycol derivative, specifically a nonaethylene glycol dimethyl ether, known for its excellent solvating properties. This compound is a critical component in advanced material science and specialty chemical synthesis, valued for its role as a phase-transfer catalyst and a versatile, high-boiling polar aprotic solvent. It is essential for researchers and manufacturers in the pharmaceutical, polymer, and electronics industries who require precise control over reaction environments and material properties.

Application

• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, crucial for alkylation, esterification, and polymerization processes.
• Specialty Solvent for Electrolytes: Used in the formulation of electrolytes for lithium-ion and other advanced batteries due to its high dielectric constant and stability.
• Polymer & Resin Modification: Acts as a plasticizer, chain extender, or cross-linking agent in polyurethane, epoxy, and other specialty polymer systems.
• Chemical Synthesis Intermediate: Serves as a building block for synthesizing crown ethers, cryptands, and other complex macrocyclic compounds.
• Gas Separation & Purification: Employed in membranes and absorbents for the selective separation of acid gases like CO2 and H2S.
• Pharmaceutical & Agrochemical Formulations: Used as a co-solvent or delivery agent to enhance the solubility and bioavailability of active ingredients.
• Analytical Chemistry: Utilized as a mobile phase modifier in chromatography and as a complexing agent in various analytical techniques.

Basic Information

Product Name	2,5,8,11,14,17,20,23,26-Nonaoxaheptacosane
CAS No.	25990-94-7
Molecular Formula	C19H40O9
Molecular Weight	412.52 g/mol
Synonyms	Nonaethylene glycol dimethyl ether; 3,6,9,12,15,18,21,24,27-Nonaoxaheptacosane; PEG-9 dimethyl ether; Dimethyl nonaethylene glycol; Tetraethylene glycol dimethyl ether (common misnomer, verify structure); Poly(ethylene glycol) dimethyl ether (average Mn ~400); Bis[2-(2-methoxyethoxy)ethyl] ether (related structure); Glyme-9
EINECS	Contact for details

Quality Control

Our 2,5,8,11,14,17,20,23,26-Nonaoxaheptacosane is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for research and industrial applications. Certificates of Analysis (COA) detailing purity, identity, and key physical parameters are provided with each shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and incompatible with strong bases and strong oxidizing agents. Keep away from heat and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Refractive Index (n20/D)	1.450 - 1.455
Density (g/mL at 20°C)	1.090 - 1.110
Boiling Point	> 250°C

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