Propargyl-PEG8-t-butyl ester
- CAS NO.：2055014-96-3
- Empirical Formula: C24H44O10
- Molecular Weight: 492.6
- MDL number: MFCD28976700
- Update Date: 2026-03-13 09:27:42
What is Propargyl-PEG8-t-butyl ester?
Description
Propargyl-PEG8-t-butyl ester is a PEG reagent with an alkyne group and a t-butyl group. The alkyne group enables the formation of triazole linkage with azide-bearing compounds or biomolecules; copper is required as a catalyst. The t-butyl group can be hydrolyzed under acidic conditions. The hydrophicility of the molecule is improved by having 8 units of PEG.
Properties of Propargyl-PEG8-t-butyl ester
| Boiling point: | 528.4±45.0 °C(Predicted) |
| Density | 1.064±0.06 g/cm3(Predicted) |
| solubility | Soluble in Water, DMSO, DCM, DMF |
| form | Liquid |
| color | Colorless to light yellow |
Safety information for Propargyl-PEG8-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 H401:Hazardous to the aquatic environment, acute hazard |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P273:Avoid release to the environment. 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-PEG8-t-butyl ester
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