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Polyethylene glycol monomethyl ether tosylate

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Polyethylene glycol monomethyl ether tosylate Basic information

Product Name:
Polyethylene glycol monomethyl ether tosylate
Synonyms:
  • Polyethylene glycol MonoMethyl ether p-toluenesulfonate, M.W. 5,000
  • mPEG-OTs
  • MPEG-Ots, average M.W. 6,000
  • MPEG-Ots, average M.W. 5,000
  • MPEG-OTs, average M.W. 20,000
  • m-PEG11-OTs
  • MPEG-Ots, average M.W. 4,000
  • MPEG-Ots, average M.W. 2,000
CAS:
58320-73-3
MF:
C10H14O4S
MW:
230.28076
Product Categories:
  • PEG
  • Materials Science
  • Monofunctional PEGs
  • Poly(ethylene glycol) and Poly(ethylene oxide)
  • Polymer Science
  • Polymers
  • Tosylate
Mol File:
58320-73-3.mol
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Polyethylene glycol monomethyl ether tosylate Chemical Properties

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)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-60-37
WGK Germany 
3
TSCA 
Yes
HS Code 
39072090
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Polyethylene glycol monomethyl ether tosylate Usage And Synthesis

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.

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