2,5,8,11,14,17,20-Heptaoxadocosane-22-thiol
Synonym(s):Methoxy PEG thiol;Methoxypolyethylene glycol thiol;mPEG thiol;PEG thiol
- CAS NO.：651042-82-9
- Empirical Formula: C15H32O7S
- Molecular Weight: 356.48
- MDL number: MFCD08274612
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-08-21 22:16:43
What is 2,5,8,11,14,17,20-Heptaoxadocosane-22-thiol?
Description
m-PEG7-thiol is a PEG linker containing a thiol group. The thiol group reacts with maleimide, OPSS, vinylsulfone and transition metal surfaces including gold, silver, etc. The hydrophilic PEG spacer increases solubility in aqueous media.
The Uses of 2,5,8,11,14,17,20-Heptaoxadocosane-22-thiol
Applications may include: bioconjugation, drug delivery, PEG hydrogel, crosslinker, and surface functionalization
Properties of 2,5,8,11,14,17,20-Heptaoxadocosane-22-thiol
| Melting point: | 50-55 °C |
| Boiling point: | 423.7±45.0 °C(Predicted) |
| Density | 1.065 |
| Flash point: | >230 °C |
| storage temp. | -20°C |
| solubility | DMSO : 100 mg/mL (280.52 mM; Need ultrasonic) |
| pka | 9?+-.0.10(Predicted) |
| form | Liquid |
| color | Colorless to light yellow |
Safety information for 2,5,8,11,14,17,20-Heptaoxadocosane-22-thiol
| 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. |
Computed Descriptors for 2,5,8,11,14,17,20-Heptaoxadocosane-22-thiol
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