2-(2-(2-benzyloxyethoxy)ethoxy)ethanol CAS 55489-58-2

Aure Chemical Supplies 2-(2-(2-benzyloxyethoxy)ethoxy)ethanol CAS 55489-58-2 for PEG Linker and Specialty Synthesis

2-(2-(2-Benzyloxyethoxy)ethoxy)ethanol, also known as triethylene glycol monobenzyl ether or BnO-PEG3-OH, is a clear liquid specialty chemical featuring a benzyl-protected hydroxy group attached to a triethylene glycol chain. This structure provides a hydrophilic spacer of defined length, useful for constructing functional PEG linkers in molecular design.

Aure Chemical supplies high-purity 2-(2-(2-benzyloxyethoxy)ethoxy)ethanol (CAS 55489-58-2) to global customers engaged in fine chemical synthesis, pharmaceutical intermediate development, and bioconjugation research. Documentation including SDS and COA is available to support export and quality review processes.

Basic Information

CAS No.	55489-58-2
EC No.	Not available
Linear Formula	C6H5CH2O(CH2CH2O)3H
Molecular Weight	240.30 g/mol
Appearance	Colorless to light yellow to light orange clear liquid
Melting Point	Not available (typical reference)
Boiling point	131 °C (lit.)
Density	1.09 g/mL at 20 °C (lit.)
Solubility	Soluble in water and polar organic solvents
Storage Conditions	Keep in a tightly closed container in a cool, dry and well-ventilated place. Protect from light. Recommended storage at room temperature or below 15°C.
Chemical Structure

Key Applications

• PEG linker intermediate: Serves as a defined-length hydrophilic PEG3 spacer with benzyl-protected terminal hydroxy group for linker construction in bioconjugation, ADC, and PROTAC research.

• Organic synthesis intermediate: Acts as a building block for incorporating triethylene glycol units into complex organic molecules and functional materials through ether or ester bond formation.

• Pharmaceutical intermediate: Used in medicinal chemistry research to introduce hydrophilic segments that can improve solubility or pharmacokinetic properties of drug candidates.

• Laboratory research: Commonly employed in academic and industrial laboratories for developing new synthetic methodologies involving protected PEG derivatives and spacer optimization.

• Process development: Supports route optimization and custom synthesis projects requiring high-purity specialty PEG intermediates for scalable production of advanced molecules.

Reliable Supply and Support from Aure Chemical for 2-(2-(2-benzyloxyethoxy)ethoxy)ethanol

• Consistent product quality: High-purity grades with reliable batch consistency maintained through quality coordination, suitable for demanding applications in fine chemical synthesis and research.

• Flexible global supply: Stable export capabilities via established logistics channels, supporting orders from laboratory-scale samples to pilot and bulk quantities for international customers.

• SDS and COA support: Full documentation package including Safety Data Sheets and Certificates of Analysis available upon request to assist with compliance, quality assessment, and export procedures.

• Packaging and technical service: Professional technical communication and assistance with appropriate liquid packaging selection based on order size, product form, and customer handling requirements.

Packaging and Storage

• Packaging: Supplied in laboratory quantities such as 1 kg or 5 kg sample bottles and larger commercial packs in 25 L or 200 L HDPE drums. Customized liquid packaging options are available upon request to match specific volume and handling preferences.

• Storage: Store in tightly closed containers in a cool, dry, and well-ventilated environment. Protection from light is recommended, with ideal conditions at room temperature or below 15°C as per supplier guidelines.

• Handling of opened containers: Reseal containers immediately after opening and maintain recommended storage conditions to preserve product integrity. Apply standard liquid chemical handling protocols during use or transfer.

Safety and Handling

• General handling: Use in well-ventilated areas and avoid direct skin or eye contact as well as inhalation of vapors. Follow good industrial hygiene and safety practices for handling liquid reagents.

• Personal protection: Wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Refer to the product SDS for detailed PPE recommendations.

• Documentation review: Review the most current Safety Data Sheet (SDS) and supporting documents prior to handling, storage, transportation, or use to ensure safe practices and regulatory compliance.