Tetraethylene Glycol Monobenzyl Ether CAS 86259-87-2

Aure Chemical: Reliable Supplier of Tetraethylene Glycol Monobenzyl Ether CAS 86259-87-2

Tetraethylene Glycol Monobenzyl Ether (CAS 86259-87-2), also referred to as Bn-PEG4-OH or Ph-PEG4-OH, is a discrete polyethylene glycol derivative consisting of a benzyl-protected chain with a terminal hydroxyl group. This compound functions as a hydrophilic molecular linker and spacer in organic synthesis, offering four ethylene oxide units for controlled chain extension and functionalization.

Aure Chemical supplies this high-purity specialty PEG derivative to customers worldwide engaged in fine chemical synthesis, pharmaceutical intermediate development, and research applications. We support global sourcing with consistent product quality, complete documentation, and flexible supply options tailored to laboratory, pilot, and bulk requirements.

Basic Information

CAS No.	86259-87-2
EC No.	Not available
Linear Formula	C15H24O5
Molecular Weight	284.35 g/mol
Appearance	White to yellow to green clear liquid
Melting Point	Not available (typical reference)
Boiling point	170–174 °C at 25 Torr (lit.)
Density	1.10 g/mL at 20 °C (lit.)
Solubility	Soluble in chloroform, DMSO, and polar organic solvents
Storage Conditions	Keep in a tightly closed container in a cool, dry and well-ventilated place. Protect from moisture and light. Recommended storage temperature below 15°C.
Chemical Structure

Key Applications

• PEG linker intermediate: Serves as a hydrophilic tetraethylene glycol spacer and benzyl-protected building block for constructing functional linkers in bioconjugation and drug delivery research.

• Molecular linker intermediate: Enables precise incorporation of PEG4 units into complex organic molecules during functional molecule construction and advanced intermediate synthesis.

• Hydrophilic spacer: Provides a flexible, water-compatible spacer arm for improving solubility and spatial orientation in specialty chemical and research compound design.

• Fine chemical intermediate: Used in the preparation of PEGylated specialty chemicals and pharmaceutical intermediates requiring controlled polyether chain length.

• Laboratory research: Applied in medicinal chemistry, synthetic methodology studies, and process development involving benzyl-protected PEG derivatives with terminal hydroxy functionality.

Sourcing Tetraethylene Glycol Monobenzyl Ether with Aure Chemical

• Consistent product quality: High-purity grade exceeding 95% by GC with reliable batch-to-batch consistency suitable for fine chemical synthesis and research applications.

• Flexible global supply: Support for laboratory-scale samples, pilot quantities, and bulk orders through established international logistics and export channels.

• SDS and COA support: Complete documentation including Safety Data Sheets and Certificates of Analysis provided to assist quality review, regulatory compliance, and procurement processes.

• Packaging and technical service: Customized liquid packaging options together with responsive technical communication for sourcing specifications and order coordination.

Packaging and Storage

• Packaging: Available in small laboratory quantities (1 g, 5 g, 25 g bottles) and larger liquid containers such as HDPE drums. Customized packaging configurations provided upon request for specific volumes.

• Storage: Store in tightly closed containers in a cool, dry, and well-ventilated area. Recommended storage temperature is room temperature or below 15°C, protected from moisture and light exposure.

• Handling of opened containers: Minimize air and moisture exposure after opening. Reseal containers immediately and use contents promptly to preserve product quality.

• Bulk supply: Flexible arrangements available for pilot-scale and commercial bulk procurement with appropriate drum or container packaging suited to liquid form.

Safety and Handling

• General handling: Handle in accordance with standard laboratory and industrial hygiene practices. Avoid inhalation, ingestion, and direct contact with skin or eyes.

• Personal protection: Wear appropriate protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Ensure adequate ventilation during handling.

• Documentation review: Always review the latest Safety Data Sheet (SDS) prior to handling, storage, transportation, or use of the product.

• Compatibility: Incompatible with strong oxidizing agents, strong acids, and strong bases. Conduct compatibility assessment before combining with other materials.