Description

2-[2-[2-[2-[2-(Benzyloxy)Ethoxy]Ethoxy]Ethoxy]Ethoxy]Ethanol is a high-purity, synthetic polyethylene glycol (PEG) derivative featuring a benzyl-protected terminal hydroxyl group. This compound is valued for its role as a versatile chemical intermediate and linker in advanced synthesis, offering controlled hydrophilicity and a reactive site for further functionalization. It is essential for researchers and manufacturers in the pharmaceutical, biotechnology, and specialty chemical sectors developing drug delivery systems, polymers, and surface-active agents.

Application

• Pharmaceutical Intermediate: Used in the synthesis of prodrugs, bioconjugates, and PEGylated therapeutic agents to enhance solubility and pharmacokinetic profiles.
• Polymer Chemistry: Serves as a key monomer or initiator for creating functionalized polyethylene glycols (PEGs), block copolymers, and non-ionic surfactants.
• Bioconjugation Linker: Acts as a spacer arm or hydrophilic linker for attaching drugs, dyes, or targeting moieties to antibodies, proteins, or nanoparticles.
• Surface Modification: Employed to modify material surfaces (e.g., nanoparticles, medical devices) to impart stealth properties, improve biocompatibility, and reduce non-specific binding.
• Research & Development: A valuable building block in organic and medicinal chemistry for constructing complex molecular architectures in academic and industrial R&D.
• Specialty Chemicals: Used in formulating lubricants, plasticizers, and functional fluids where specific solubility and chain length properties are required.

Basic Information

Product Name	2-[2-[2-[2-[2-(Benzyloxy)Ethoxy]Ethoxy]Ethoxy]Ethoxy]Ethanol
CAS No.	57671-28-0
Molecular Formula	C19H32O7
Molecular Weight	372.45 g/mol
Synonyms	Benzyl-PEG5-OH; 2,5,8,11,14-Pentaoxaheptadecan-17-ol, 16-(phenylmethoxy)-; 16-(Benzyloxy)-2,5,8,11,14-pentaoxaheptadecan-17-ol; Benzyl tetraethylene glycol monomethyl ether (common name for related structure); Benzyl-Pentaethylene Glycol; O-Benzyl-pentaethylene glycol; Benzyl-PEG5-alcohol; Benzyl-PEG(5)-OH
EINECS	Contact for details

Quality Control

Our 2-[2-[2-[2-[2-(Benzyloxy)Ethoxy]Ethoxy]Ethoxy]Ethoxy]Ethanol is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for research and industrial synthesis. Certificates of Analysis (COA) with detailed chromatographic and spectroscopic data are provided to guarantee traceability and batch-to-batch reliability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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