Polyethylene glycol monomethyl ether tosylate
Synonym(s):Methoxy PEG tosylate;Methoxypolyethylene glycol tosylate;mPEG tosylate;PEG tosylate
- CAS NO.：58320-73-3
- Empirical Formula: C10H14O4S
- Molecular Weight: 230.28076
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:17:25
What is Polyethylene glycol monomethyl ether tosylate?
Description
m-PEG11-Tos is a PEG linker containing a tosyl group. The tosyl group is a very good leaving group for nucleophilic substitution reactions. The hydrophilic PEG spacer increases solubility in aqueous media.
Properties of Polyethylene glycol monomethyl ether tosylate
| Melting point: | 54 °C |
| Flash point: | >110°C |
| form | Powder |
| color | White to off-white |
| Water Solubility | Soluble in water |
| EPA Substance Registry System | Poly(oxy-1,2-ethanediyl), .alpha.-[(4-methylphenyl)sulfonyl]-.omega.-methoxy- (58320-73-3) |
Safety information for Polyethylene glycol monomethyl ether tosylate
| 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 Polyethylene glycol monomethyl ether tosylate
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