Octaethylene glycol
Also known as: 3,6,9,12,15,18,21-Heptaoxatricosane-1,23-diol, 3,6,9,12,15,18,21-Heptaoxatricosane-21,23-diol, HO-PEG(8)-OH, PED-DIOL (N=8), HO-8-OH, Octoethyleneglycol, POLYETHYLENEGLYCOL8, Octaethylene Glycol, PEG-8
Octaethylene glycol (CAS 5117-19-1) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C16H34O9 and a molecular weight of 370.436 g/mol. Key properties include a melting point of 22 °C, a boiling point of 471.5±40.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 239.0±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5117-19-1
- Jingsj CID
- J-20258-7
- Molecular Formula
- C16H34O9
- Molecular Weight
- 370.436 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 22 °C |
|---|---|
| Boiling Point | 471.5±40.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 239.0±27.3 °C |
| Exact Mass | 370.220276 |
| PSA | 105.07000 |
| LogP | -3.66 |
| Vapor Pressure | 0.0±2.7 mmHg at 25°C |
| Refractive Index | 1.463 |
Activity & Biological Data
| Target | PEGs |
|---|---|
| Additional Information | [1]. An S, et al. Small-molecule PROTACs: An emerging and promising approach for the development of targeted therapy drugs. EBioMedicine. 2018 Oct;36:553-562 |
Customs & Trade Information
| HS Code | 2909499000 |
|---|---|
| Summary | 2909499000. ether-alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:5.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Octaethylene glycol?
The CAS number of Octaethylene glycol is 5117-19-1.
What are the molecular formula and molecular weight of Octaethylene glycol?
Octaethylene glycol has molecular formula C16H34O9 and molecular weight 370.436 g/mol.
What are the upstream and downstream products of Octaethylene glycol?
For Octaethylene glycol, Upstream Products: Tetraethylene glycol, Tetraethylene glycol di-p-tosylate, Tetraethylene glycol monobenzyl ether; Downstream Products: 1,4,7,10,13,16,19,22-Octaoxacyclotetracosane, Azide-PEG8-alcohol, Dodecaethylene glycol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Octaethylene glycol (CAS 5117-19-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20258-7 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.