Tetraethylene glycol di-p-tosylate
Also known as: PROTAC Linker 16, Bis[2-(2-tosyloxyethoxy)ethyl] Ether, Bis[2-[2-(p-toluenesulfonyloxy)ethoxy]ethyl] Ether, Tetraethylene glycol bis(p-toluenesulfonate), Tetraethylene glycol ditosylate, 1,11-Bis(tosyloxy)-3,6,9-trioxaundecane, ((Oxybis(ethane-2,1-diyl))bis(oxy))bis(ethane-2,1-diyl) bis(4-methylbenzenesulfonate), Bis-TOS-PEG4
Tetraethylene glycol di-p-tosylate (CAS 37860-51-8) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C22H30O9S2 and a molecular weight of 502.59800 g/mol. Key properties include a boiling point of 635ºC at 760 mmHg, a density of 1.242 g/mL at 25ºC(lit.) and a flash point of >110.0 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 37860-51-8
- Jingsj CID
- J-2076-8
- Molecular Formula
- C22H30O9S2
- Molecular Weight
- 502.59800 g/mol
- Category
- Solvents
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 635ºC at 760 mmHg |
|---|---|
| Density | 1.242 g/mL at 25ºC(lit.) |
| Flash Point | >110.0 °C |
| Exact Mass | 502.13300 |
| PSA | 131.19000 |
| LogP | 4.62560 |
| Refractive Index | n20/D 1.53(lit.) |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 | 2909309090 |
|---|---|
| Summary | 2909309090 other aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Tetraethylene glycol di-p-tosylate?
The CAS number of Tetraethylene glycol di-p-tosylate is 37860-51-8.
What are the molecular formula and molecular weight of Tetraethylene glycol di-p-tosylate?
Tetraethylene glycol di-p-tosylate has molecular formula C22H30O9S2 and molecular weight 502.59800 g/mol.
Is Tetraethylene glycol di-p-tosylate hazardous?
Tetraethylene glycol di-p-tosylate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
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 di-p-tosylate (CAS 37860-51-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2076-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.