Nonaethylene glycol
- CAS NO.：3386-18-3
- Empirical Formula: C18H38O10
- Molecular Weight: 414.49
- MDL number: MFCD00698692
- EINECS: 222-206-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-20 15:44:59
What is Nonaethylene glycol?
Description
Nonaethylene glycol is a polymer consisting of ethylene glycol repeating units and terminal hydroxyl groups. The ethylene glycol units have high water solubility properties. The hydroxyl groups can react in order to further derivatize the compound.
The Uses of Nonaethylene glycol
HO-PEG9-OH is used as a reactant in the selective inhibition of human brain tumor cells through quantum-dot-based siRNA delivery.
Definition
ChEBI: Nonaethylene glycol is a poly(ethylene glycol).
Synthesis
Nonaethylene glycol could be synthesized by reacting the monosodium salt of triethylene glycol with the ditosylate of triethylene glycol [2] in solution in tetrahydrofuran. A small amount of less pure pentadecaethylene glycol was also isolated from the preparation[1].
References
[1] H. H. Teo, C. Booth, R. H. Mobbs. “Preparation of ethylene glycol oligomers—II.” European Polymer Journal 18 1 (1982): 541–544.
Properties of Nonaethylene glycol
| Melting point: | 24.0-25.2 °C |
| Boiling point: | 190 °C(Press: 0.01 Torr) |
| Density | 1.115±0.06 g/cm3(Predicted) |
| refractive index | 1.46 |
| Flash point: | 26 °C |
| storage temp. | 2-8°C |
| form | powder to lump |
| pka | 14.06±0.10(Predicted) |
| color | White to Almost white |
| InChI | InChI=1S/C18H38O10/c19-1-3-21-5-7-23-9-11-25-13-15-27-17-18-28-16-14-26-12-10-24-8-6-22-4-2-20/h19-20H,1-18H2 |
| EPA Substance Registry System | Nonaethylene glycol (3386-18-3) |
Safety information for Nonaethylene glycol
Computed Descriptors for Nonaethylene glycol
| InChIKey | YZUUTMGDONTGTN-UHFFFAOYSA-N |
| SMILES | C(O)COCCOCCOCCOCCOCCOCCOCCOCCO |
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