89141-22-0
89141-22-0 structure
- Name: Bis-PEG5-thiol
- Chemical Name: 2-[2-[2-[2-[2-(2-sulfanylethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethanethiol
- CAS Number: 89141-22-0
- Molecular Formula: C12H26O5S2
- Molecular Weight: 314.46200
- Create Date: 2018-09-18 09:40:48
- Modify Date: 2025-08-25 18:09:44
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Bis-PEG5-thiol is a PEG derivative containing two thiol groups. The thiol groups react with maleimide, OPSS, vinylsulfone and transition metal surfaces including gold, silver, etc. The hydrophilic PEG spacer increases solubility in aqueous media.
| Name | 2-[2-[2-[2-[2-(2-sulfanylethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethanethiol |
|---|---|
| Synonyms |
Hexa(ethylene glycol) dithiol
3,6,9,12,15-Pentaoxaheptadecane-1,17-dithiol Tetraethylene glycol di(ethanediol) |
| Density | 1.113 g/cm3 at 25 °C |
|---|---|
| Molecular Formula | C12H26O5S2 |
| Molecular Weight | 314.46200 |
| Exact Mass | 314.12200 |
| PSA | 123.75000 |
| LogP | 0.92900 |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H319-H335 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Hazard Codes | Xi |
| RIDADR | UN 3334 |
| Flash Point(F) | >230 °F |
| Flash Point(C) | >110 °C |