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900948

Sigma-Aldrich

Poly(ethylene glycol) methyl ether-block-poly(lactide-co-glycolide)

PEG average Mn 5,000, PLGA Mn 15,000, lactide:glycolide 50:50

Synonym(s):

PEG-PLGA, Polyethylene glycol, mPEG-b-PLGA

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About This Item

Linear Formula:
H[(C3H4O2)x(C2H2O2)y]mO[C2H4O]nCH3
UNSPSC Code:
51171641
NACRES:
NA.23

form

crystals

Quality Level

feed ratio

lactide:glycolide 50:50

mol wt

PEG average Mn 5,000
PLGA Mn 15,000

impurities

≤5000 ppm (GC)

storage temp.

−20°C

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General description

Contains ≤500 ppm impurities by GC, including trace monomer and residual organics.

Application

Biocompatible block copolymer. Can be used in the formation of nanoparticles for drug delivery. Potenial use in the targeted and/or controlled release of cancer drugs, anti-inflammatory drugs, antibiotics, or anesthetic agents.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

>230.9 °F

Flash Point(C)

> 110.5 °C


Certificates of Analysis (COA)

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