PEG4-tert-butyl acetate
- CAS NO.：169751-72-8
- Empirical Formula: C14H28O7
- Molecular Weight: 308.37
- MDL number: MFCD27635170
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-07-16 07:06:08
What is PEG4-tert-butyl acetate?
Description
Hydroxy-PEG4-CH2CO2tBu is a PEG linker containing a hydroxyl group with a t-butyl protected carboxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. The t-butyl protected carboxyl group can be deprotected under acidic conditions.
Properties of PEG4-tert-butyl acetate
| Boiling point: | 393.1±32.0 °C(Predicted) |
| Density | 1.077±0.06 g/cm3(Predicted) |
| storage temp. | 2-8°C |
| solubility | Soluble in Water, DMSO, DCM, DMF |
| pka | 14.36±0.10(Predicted) |
| form | Liquid |
| color | Colorless to light yellow |
Safety information for PEG4-tert-butyl acetate
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. 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 PEG4-tert-butyl acetate
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