Pentaethylene Glycol Dichloride

Pentaethylene Glycol Dichloride is a bifunctional alkyl halide derived from pentaethylene glycol, valued as an organic intermediate in fine chemical synthesis. It functions as an effective alkylating agent for the introduction of longer hydrophilic polyethylene glycol linkages through nucleophilic substitution reactions.

Basic Information

CAS No.	5197-65-9
EC No.	Not available
Linear Formula	Cl(CH2CH2O)5Cl
Molecular Weight	275.17
Appearance	Colorless to pale yellow liquid
Melting Point	Not available (typical reference)
Boiling point	Not available (typical reference)
Density	1.18 g/mL at 20 °C (lit.)
Solubility	Slightly soluble in water; soluble in common organic solvents such as chloroform
Storage Conditions	Keep in a tightly closed container in a cool, dry, well-ventilated place; store under refrigeration for long-term stability
Chemical Structure

Key Applications

• Organic synthesis intermediate: Pentaethylene Glycol Dichloride serves as a reactive bifunctional alkylating agent for the introduction of pentaethylene glycol linkages in nucleophilic substitution reactions.

• Fine chemical intermediate: It is utilized in the synthesis of specialty chemicals and derivatives requiring extended hydrophilic PEG spacers in fine chemical manufacturing.

• Molecular linker intermediate: The compound enables precise incorporation of longer polyethylene glycol chains into target organic frameworks during functional molecule construction.

• Laboratory research: Pentaethylene Glycol Dichloride supports synthetic methodology studies and reaction development in research laboratories.

• Process development: It aids route optimization and pilot-scale synthesis for advanced organic intermediates.

• SDS and COA support: SDS, COA and supporting product documents are available upon request to facilitate sourcing, export compliance and quality review processes.

• Packaging and technical service: Professional technical communication is offered alongside flexible packaging options such as 25L/200L HDPE drum, moisture-protected.