Description

Pentaethylene Glycol Dichloride is a high-purity, bifunctional chemical intermediate featuring terminal chloride groups. This compound is valued for its role as a versatile linker and spacer molecule in advanced organic synthesis and polymer chemistry. It is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in creating polyethylene glycol (PEG) linkers for prodrugs and bioconjugates.
• Polymer Science: Acts as a monomer or cross-linking agent in the production of specialty polymers, including polyethers, polyesters, and dendrimers.
• Surface Modification: Used to create functionalized surfaces or coatings by providing reactive sites for further chemical attachment.
• Chemical Synthesis: Functions as a protecting group or a spacer arm in multi-step organic synthesis, enabling the controlled assembly of complex molecules.
• Material Science: Employed in the development of advanced materials such as hydrogels, non-ionic surfactants, and phase transfer catalysts.
• Agrochemical Production: Utilized as an intermediate in the synthesis of certain herbicides, pesticides, and plant growth regulators.

Basic Information

Product Name	Pentaethylene Glycol Dichloride
CAS No.	5197-65-9
Molecular Formula	C10H20Cl2O5
Molecular Weight	279.17 g/mol
Synonyms	2,2'-[Oxybis(2,1-ethanediyloxy)]bis(ethyl chloride); 3,6,9,12,15-Pentaoxaheptadecane-1,17-diyl dichloride; 1,17-Dichloro-3,6,9,12,15-pentaoxaheptadecane; PEG-5 Dichloride; α,ω-Dichloropentaethylene Glycol; Bis(2-chloroethoxy)ethyl Ether (extended); Dichloride of Pentaethylene Glycol; 1-Chloro-2-[2-[2-[2-(2-chloroethoxy)ethoxy]ethoxy]ethoxy]ethane
EINECS	Contact for details

Quality Control

Our Pentaethylene Glycol Dichloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance needs.

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 bases and oxidizing agents. The material is hygroscopic; ensure containers are sealed after use to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Chloride Content (Titration)	Conforms to theoretical value

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