Tos-PEG2-CH2CO2tBu
- CAS NO.：1643957-24-7
- Empirical Formula: C15H22O6S
- Molecular Weight: 330.4
- MDL number: MFCD28122953
- Update Date: 2025-10-14 17:28:31
What is Tos-PEG2-CH2CO2tBu?
Description
Tos-PEG2-CH2CO2tBu is a PEG linker containing a t-butyl ester and a tosyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The t-butyl protected carboxyl group can be deprotected under acidic conditions. The tosyl group is a very good leaving group for nucleophilic substitution reactions.
Properties of Tos-PEG2-CH2CO2tBu
| Boiling point: | 449.0±30.0 °C(Predicted) |
| Density | 1.183±0.06 g/cm3(Predicted) |
Safety information for Tos-PEG2-CH2CO2tBu
| 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 Tos-PEG2-CH2CO2tBu
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