Propargyl-PEG5-t-butyl ester
- CAS NO.：1245823-50-0
- Empirical Formula: C18H32O7
- Molecular Weight: 360.44
- MDL number: MFCD22201534
- Update Date: 2026-03-12 15:35:02
What is Propargyl-PEG5-t-butyl ester?
Description
Propargyl-PEG5-t-butyl ester has one of the functional groups protected by t-butyl group. The protection can be removed under acidic conditions. The propargyl group forms triazole linkages with azide-bearing compounds or biomolecules via copper catalyzed Click Chemistry. The PEG units help improving the water-solubility of the molecule in aqueous media.
Properties of Propargyl-PEG5-t-butyl ester
| Boiling point: | 420.6±40.0 °C(Predicted) |
| Density | 1.045±0.06 g/cm3(Predicted) |
| form | Liquid |
| color | Colorless to light yellow |
Safety information for Propargyl-PEG5-t-butyl ester
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for Propargyl-PEG5-t-butyl ester
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