PEG9-t-butly ester
- CAS NO.：1334177-84-2
- Empirical Formula: C23H46O11
- Molecular Weight: 498.6
- MDL number: MFCD11041105
- Update Date: 2026-02-03 20:41:04
What is PEG9-t-butly ester?
Description
Hydroxy-PEG8-t-butyl ester is a PEG linker containing a hydroxyl group with a t-butyl ester. The hydrophilic PEG spacer increases solubility in aqueous media. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. The t-butyl protected carboxyl group can be deprotected under acidic conditions.
Properties of PEG9-t-butly ester
| Boiling point: | 549.5±45.0 °C(Predicted) |
| Density | 1.083±0.06 g/cm3(Predicted) |
| storage temp. | 2-8°C |
| solubility | Soluble in Water, DMSO, DMF, DCM |
| pka | 14.36±0.10(Predicted) |
| form | Liquid |
Safety information for PEG9-t-butly 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. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. 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. |
Computed Descriptors for PEG9-t-butly ester
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