Amino-PEG9-t-butyl ester
- CAS NO.：1818294-44-8
- Empirical Formula: C25H51NO11
- Molecular Weight: 541.67
- MDL number: MFCD26127807
- Update Date: 2026-04-14 09:55:04
What is Amino-PEG9-t-butyl ester?
Description
Amino-PEG9-t-butyl ester is a PEG molecule with an amino group and a t-butyl protected carboxyl group (tBoc). The hydrophilic PEG spacer increases solubility in aqueous media. The amino group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. The t-butyl protected carboxyl group can be deprotected under acidic conditions.
Properties of Amino-PEG9-t-butyl ester
| Boiling point: | 576.2±45.0 °C(Predicted) |
| Density | 1.071±0.06 g/cm3(Predicted) |
| solubility | Soluble in Water, DMSO, DCM, DMF |
| form | Liquid |
| pka | 8.74±0.10(Predicted) |
| color | Colorless to light yellow |
Safety information for Amino-PEG9-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 H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. 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. P405:Store locked up. P403+P233:Store in a well-ventilated place. Keep container tightly closed. P501:Dispose of contents/container to..… |
Computed Descriptors for Amino-PEG9-t-butyl ester
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