Decaethylene Glycol CAS 5579-66-8
Aure Chemical Supplies Decaethylene Glycol CAS 5579-66-8 for PEG Linker and Specialty Synthesis
Decaethylene glycol, also known as PEG-10 or HO-PEG10-OH, is a defined polyethylene glycol derivative consisting of ten ethylene oxide repeating units with terminal hydroxyl groups. This monodisperse PEG diol functions as a versatile hydrophilic building block for molecular linker design and functional PEG derivative synthesis in fine chemical applications.
Aure Chemical serves as a reliable sourcing partner for high-purity Decaethylene glycol, delivering consistent material quality, comprehensive SDS and COA documentation, and flexible global supply options to support research, process development, and specialty chemical projects worldwide.
Basic Information
| CAS No. | 5579-66-8 |
|---|---|
| EC No. | 226-962-3 |
| Linear Formula | HO(CH2CH2O)10H |
| Molecular Weight | 458.54 g/mol |
| Appearance | White or colorless to almost white or almost colorless powder to lump to clear liquid |
| Melting Point | 28 °C (lit.) |
| Boiling point | 280 °C / 7 mmHg (lit.) |
| Density | 1.115 g/cm³ (predicted) |
| 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 moisture. Store sealed at room temperature. |
| Chemical Structure | ![]() |
Key Applications
PEG linker intermediate: Decaethylene glycol serves as a precise ten-unit hydrophilic linker for bioconjugation, PEGylation strategies, and the construction of targeted delivery systems in pharmaceutical intermediate research.
Hydrophilic spacer: The extended PEG10 chain provides an effective hydrophilic spacer that improves solubility, flexibility, and biocompatibility in complex molecular designs during fine chemical and specialty synthesis.
Fine chemical intermediate: Functions as a versatile polyether diol building block for introducing hydrophilic segments and enabling further functionalization of terminal hydroxyl groups in organic synthesis projects.
Laboratory research: Widely utilized in medicinal chemistry and materials research laboratories for developing PEG-based architectures, surface modifications, and novel functional linkers.
Process development: Supports route optimization, scale-up studies, and custom synthesis of PEGylated advanced intermediates for pharmaceutical and specialty chemical process development.
Why Global Buyers Choose Aure Chemical for Decaethylene Glycol
Consistent product quality: High-purity specifications with reliable batch-to-batch consistency, supported by routine quality coordination suitable for fine chemical research and process applications.
Flexible global supply: Stable export supply supported by established logistics channels, enabling timely delivery for laboratory, pilot-scale, and bulk procurement needs worldwide.
SDS and COA support: Comprehensive documentation including SDS and COA available upon request to facilitate sourcing, export compliance, and quality review processes.
Packaging and technical service: Flexible packaging options tailored to product form and order quantity, combined with responsive technical communication for customer support.
Packaging and Storage
Packaging: Available in small quantities in sealed containers or bottles; larger quantities supplied in fiber drums with inner PE liners or customized packaging configurations upon request.
Storage: Store in a tightly closed container in a cool, dry, and well-ventilated area. Protect from moisture; recommended storage at room temperature in sealed, dry conditions.
Handling of opened containers: Reseal containers immediately after use and return to recommended storage conditions to prevent moisture uptake and maintain product integrity.
Safety and Handling
General handling: Handle in accordance with good industrial hygiene practices in well-ventilated areas. Avoid direct contact with skin, eyes, and clothing; prevent ingestion or inhalation.
Personal protection: Wear suitable protective gloves, safety goggles, and protective clothing. Use respiratory protection if dust, aerosol, or vapors are generated during handling.
Documentation review: Always review the latest Safety Data Sheet (SDS) before handling, storage, transportation, or use to ensure appropriate safety measures are followed.
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.


