2-[2-(Benzyloxy)ethoxy]ethanol CAS 2050-25-1
Aure Chemical Supplies 2-[2-(Benzyloxy)ethoxy]ethanol CAS 2050-25-1 for PEG Linker and Specialty Synthesis
2-[2-(Benzyloxy)ethoxy]ethanol, commonly known as diethylene glycol monobenzyl ether or BnO-PEG2-OH, is a clear liquid fine chemical that serves as a protected hydrophilic building block. Its structure combines a benzyl-protected hydroxy group with a short diethylene glycol chain, making it suitable for constructing functional linkers in molecular synthesis.
Aure Chemical supplies high-purity 2-[2-(Benzyloxy)ethoxy]ethanol (CAS 2050-25-1) to support global customers in fine chemical synthesis, pharmaceutical intermediate research, and process development. Full documentation including SDS and COA is available to facilitate export and quality assessment.
Basic Information
| CAS No. | 2050-25-1 |
|---|---|
| EC No. | Not available |
| Linear Formula | C6H5CH2O(CH2CH2O)2H |
| Molecular Weight | 196.24 g/mol |
| Appearance | Colorless to light yellow clear liquid |
| Melting Point | Not available (typical reference) |
| Boiling point | 80-110 °C at 0.5 mm Hg (lit.) |
| Density | 1.094 g/mL at 25 °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. Store at room temperature. |
| Chemical Structure | ![]() |
Key Applications
PEG linker intermediate: Utilized in the design of short hydrophilic spacers for bioconjugation, PROTAC linkers, and molecular probe construction where a protected diethylene glycol unit is required.
Organic synthesis intermediate: Serves as a versatile building block for introducing ether-linked hydrophilic segments and protected hydroxyethyl chains in multi-step organic syntheses.
Pharmaceutical intermediate: Employed in medicinal chemistry research for developing drug candidates and advanced intermediates that incorporate PEG-like moieties for improved solubility or targeting.
Laboratory research: Widely used in academic and industrial laboratories to explore new synthetic methodologies involving protected PEG derivatives and functional group transformations.
Process development: Supports route optimization and custom synthesis projects requiring high-purity specialty reagents for scalable production of complex molecules.
Why Work with Aure Chemical for 2-[2-(Benzyloxy)ethoxy]ethanol
Consistent product quality: High-purity grades maintained through routine quality coordination, ensuring batch-to-batch consistency suitable for fine chemical synthesis and research applications.
Flexible global supply: Stable export arrangements supported by established logistics channels, enabling reliable delivery for laboratory, pilot-scale, and bulk procurement needs worldwide.
SDS and COA support: Comprehensive documentation including Safety Data Sheets and Certificates of Analysis provided upon request to support regulatory compliance and quality review for international sourcing.
Packaging and technical service: Responsive technical communication and assistance with selecting suitable liquid packaging options tailored to sample, trial, or bulk order requirements.
Packaging and Storage
Packaging: Available in small laboratory quantities such as 1 kg or 5 kg sample bottles, as well as larger packs in 25 L or 200 L HDPE drums. Customized liquid packaging can be arranged based on specific order size and handling needs.
Storage: Store in tightly closed containers in a cool, dry, and well-ventilated area. Protection from light is recommended, with storage at room temperature under sealed and dry conditions.
Handling of opened containers: Promptly reseal opened containers and return them to the recommended storage conditions to maintain product quality. Use standard precautions for handling liquid chemicals during transfer or processing.
Safety and Handling
General handling: Handle in well-ventilated areas and avoid direct contact with skin or eyes as well as inhalation of vapors. Follow established good industrial hygiene and safety practices for liquid reagents.
Personal protection: Wear suitable protective equipment including chemical-resistant gloves, safety goggles, and appropriate clothing. Consult the latest SDS for specific personal protection recommendations.
Documentation review: Always review the current Safety Data Sheet (SDS) and supporting product documents before handling, storage, transportation, or use to ensure safe practices and compliance.
Packaging, Logistics & Compliance Capabilities
Aure Chemical provides flexible packaging solutions, compliant logistics arrangements, and controlled storage practices to support laboratory-scale, pilot-scale, and commercial-scale global supply.
Packaging Options
- 25 kg / 50 kg bags (fiber drum, aluminum bag, HDPE drum)
- 100 kg / 200 kg steel or HDPE drums
- 500 kg / 1000 kg IBC containers
- Bulk liquids in ISO tank containers
- Customized packaging upon request
Transportation Modes
- Sea freight (FCL / LCL)
- Air freight for selected products
- Road and rail transportation
- Dangerous & non-dangerous cargo handling
- Incoterms: EXW, FOB, CFR, CIF, DAP, DDP
Storage & Handling
- Dry, cool, and well-ventilated warehouses
- Segregation by hazard class
- FIFO inventory management
- Temperature-controlled storage if required
- Regular inspection & labeling control
Documentation & Compliance
- Safety Data Sheet (SDS)
- Certificate of Analysis (COA)
- Dangerous Goods Declaration (DGD)
- Packing List & Commercial Invoice
- IMDG / IATA / ADR compliant labeling
For packaging customization or logistics consultation, please contact us.


![Molecular Structure of 2-[2-(Benzyloxy)ethoxy]ethanol Molecular Structure of 2-[2-(Benzyloxy)ethoxy]ethanol](/Uploads/image/20260614/1781425065565938.jpg)