3-(2-Propynyloxy)propanoic acid
- CAS NO.：55683-37-9
- Empirical Formula: C6H8O3
- Molecular Weight: 128.13
- MDL number: MFCD10689189
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-21 11:20:27
What is 3-(2-Propynyloxy)propanoic acid?
Description
Propargyl-PEG1-acid is a crosslinker with a propargyl group and a carboxylic acid group. The carboxylic acid reacts with primary amine under the activation of HATU or EDC. The propargyl group can participate in copper catalyzed azide-alkyne Click Chemistry reactions.
The Uses of 3-(2-Propynyloxy)propanoic acid
This is a crosslinker with an alkyne group on one end and a carboxyl group on the other end. The alkyne can be used to attach to an azide using copper-catalyzed click chemistry. The compound contains a single PEG unit to help improve solubility.
Properties of 3-(2-Propynyloxy)propanoic acid
| Boiling point: | 265.8±20.0 °C(Predicted) |
| Density | 1.140±0.06 g/cm3(Predicted) |
| storage temp. | -20°C |
| pka | 4.19±0.10(Predicted) |
| form | Liquid |
| color | Colorless to light yellow |
Safety information for 3-(2-Propynyloxy)propanoic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
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 3-(2-Propynyloxy)propanoic acid
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