Surface Coating / Alfa Chemistry

Poly(ethylene glycol) methyl ether 2-bromoisobutyrate, average Mn 600

Basic Information Description Application Features And Benefits
CAS 245070-97-7
Catalog Number ACM245070977-4
Synonyms mPEG ATRP, PEG bib, methoxyPolyethylene glycol bromoisobutyryl
Molecular Weight PEG average Mn 350 (n~8)
average Mn 600
Density 1.214 g/mL at 25 °C
Packaging Packaging
1 mL in glass bottle
Quality Level 100
Refractive Index n20/D 1.465
Storage Temperature 2-8°C
αEnd methoxy
ΩEnd bromo
Description Polyethylene glycol (PEG) compounds contain a polyether unit, commonly expressed as R1-(O-CH2-CH2)n-O-R2. They are generally biocompatible, non-toxic and stable in both organic and aqueous solutions, and so are extensively used in biological applications, as well as nanotechnology and materials research. Proteins with PEG chain modifications and compounds encapsulated in PEG liposomes exhibit a longer half-life in vivo than their non-PEGylated counterparts, a phenomenon known as PEG shielding. Functionalised PEG lipids and phospholipids can be used for protein-PEG conjugation.
Application PEG functionalized with bromoisobutyryl group to initiate atom transfer radical polymerization (ATRP). This macroinitiator can be used to increase biocompatibility; hydrophilicity; or generate block copolymers.
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