Acid-PEG5-mono-methyl ester
- CAS NO.：1309460-30-7
- Empirical Formula: C15H28O9
- Molecular Weight: 352.38
- MDL number: MFCD18916990
- Update Date: 2026-01-05 11:31:08
What is Acid-PEG5-mono-methyl ester?
Description
Acid-PEG5-mono-methyl ester is a PEG linker containing a terminal carboxylic acid and a mono-methyl ester functional group. The terminal carboxylic acid can react with primary amines in the presence of activators such as EDC and HATU to form stable amide bonds. The hydrophilic PEG linker increases the water solubility of compounds in aqueous media.
Properties of Acid-PEG5-mono-methyl ester
| Boiling point: | 469.4±45.0 °C(Predicted) |
| Density | 1.151±0.06 g/cm3(Predicted) |
| solubility | Soluble in DCM |
| pka | 4.28±0.10(Predicted) |
| form | Liquid |
| color | Colorless to light yellow |
Safety information for Acid-PEG5-mono-methyl ester
| 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 Acid-PEG5-mono-methyl ester
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