Ethanol, 2-[2-(2-hydroxyethoxy)ethoxy]-, 1-(4-Methylbenzenesulfonate)
- CAS NO.：77544-68-4
- Empirical Formula: C13H20O6S
- Molecular Weight: 304.36
- MDL number: MFCD18433414
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 23:19:03
![Ethanol, 2-[2-(2-hydroxyethoxy)ethoxy]-, 1-(4-Methylbenzenesulfonate) Structural](https://img.chemicalbook.in/CAS/GIF/77544-68-4.gif)
What is Ethanol, 2-[2-(2-hydroxyethoxy)ethoxy]-, 1-(4-Methylbenzenesulfonate)?
Description
PEG3-Tos is a PEG linker containing a hydroxyl group and a tosyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. The tosyl group is a very good leaving group for nucleophilic substitution reactions.
Properties of Ethanol, 2-[2-(2-hydroxyethoxy)ethoxy]-, 1-(4-Methylbenzenesulfonate)
| Boiling point: | 460.0±35.0 °C(Predicted) |
| Density | 1.234±0.06 g/cm3(Predicted) |
| storage temp. | under inert gas (nitrogen or Argon) at 2-8°C |
| solubility | Ethanol: 100 mg/mL (328.56 mM); DMSO: 100 mg/mL (328.56 mM and warming) |
| pka | 14.36±0.10(Predicted) |
| form | Solid-Liquid Mixture |
| color | Colorless to light yellow |
| Water Solubility | Water: 10 mg/mL (32.86 mM) |
Safety information for Ethanol, 2-[2-(2-hydroxyethoxy)ethoxy]-, 1-(4-Methylbenzenesulfonate)
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Ethanol, 2-[2-(2-hydroxyethoxy)ethoxy]-, 1-(4-Methylbenzenesulfonate)
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![2-[2-[2-(2-Hydroxyethoxy)ethoxy]ethoxy]-1-(p-toluenesulfonyl)-ethanol](https://img.chemicalbook.in/CAS/GIF/77544-60-6.gif)
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