Description

Heptaethylene Glycol Monobenzyl Ether is a high-purity, non-ionic surfactant and chemical intermediate characterized by its hydrophilic polyether chain and hydrophobic benzyl end group. This unique structure provides excellent solubility properties and makes it a valuable building block for specialized polymer synthesis and formulation chemistry. It is primarily utilized in industries such as pharmaceuticals, advanced materials, and specialty chemicals where precise molecular architecture and consistent performance are critical.

Application

• Pharmaceutical Intermediate: Used in the synthesis of prodrugs, solubilizing agents, and as a linker in drug delivery systems.
• Polymer Chemistry: Serves as a macromonomer or chain transfer agent for creating amphiphilic block copolymers and functionalized polymers.
• Surfactant & Emulsifier: Acts as a non-ionic surfactant in high-performance formulations requiring specific HLB values.
• Chemical Synthesis: Employed as a protecting group or a hydrophilic spacer in organic and peptide synthesis.
• Material Science: Used in the surface modification of nanoparticles and the creation of functional coatings.
• Lubricant & Plasticizer Additive: Functions as a component in specialty lubricants and polymer plasticizers.

Basic Information

Product Name	Heptaethylene Glycol Monobenzyl Ether
CAS No.	423763-19-3
Molecular Formula	C23H40O8
Molecular Weight	444.56 g/mol
Synonyms	Benzyl heptaethylene glycol ether; PEG7 Benzyl Ether; Benzyl-PEG7-OH; 2-[2-[2-[2-[2-[2-[2-(Benzyloxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanol; Heptaethylene glycol benzyl ether; Poly(ethylene glycol) monobenzyl ether (n=7); Benzyl heptaglycol ether; α-Benzyl-ω-hydroxyhepta(oxyethylene)
EINECS	Contact for details

Quality Control

Our Heptaethylene Glycol Monobenzyl Ether is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

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). This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent degradation. For long-term storage, consider using an inert atmosphere to minimize oxidation.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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