Tetraethylene glycol monomethyl ether
Also known as: 2,5,8,11-Tetraoxatridecan-13-ol, 2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethanol, 3,6,9,12-tetraoxatridecan-1-ol, 3,6,9,12-tetraoxatridecanol, Methyl Tetraglycol, m-PEG4-alcohol, mPEG4-OH, methyltetraglycol, Methyl-PEG4-alcohol
Tetraethylene glycol monomethyl ether (CAS 23783-42-8) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C9H20O5 and a molecular weight of 208.252 g/mol. Key properties include a boiling point of 285.4±25.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 126.4±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 23783-42-8
- Jingsj CID
- J-24779-0
- Molecular Formula
- C9H20O5
- Molecular Weight
- 208.252 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 285.4±25.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 126.4±23.2 °C |
| Exact Mass | 208.131073 |
| PSA | 57.15000 |
| LogP | -1.87 |
| Vapor Pressure | 0.0±1.3 mmHg at 25°C |
| Refractive Index | 1.436 |
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 Tetraethylene glycol monomethyl ether?
The CAS number of Tetraethylene glycol monomethyl ether is 23783-42-8.
What are the molecular formula and molecular weight of Tetraethylene glycol monomethyl ether?
Tetraethylene glycol monomethyl ether has molecular formula C9H20O5 and molecular weight 208.252 g/mol.
What are the upstream and downstream products of Tetraethylene glycol monomethyl ether?
For Tetraethylene glycol monomethyl ether, Upstream Products: Tetraethylene glycol, iodomethane, Dimethyl sulfate; Downstream Products: 3,6,9,12-tetraoxatridecylamine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tetraethylene glycol monomethyl ether (CAS 23783-42-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24779-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.