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Sigma-Aldrich

Poly(ethylene glycol) methyl ether azide

average Mn 400

Synonym(s):

Methoxypolyethylene glycol azide, PEG N3, azido mPEG, mPEG azide, mPEG-N3, methoxyPEG azide

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About This Item

CAS Number:
UNSPSC Code:
12162002
NACRES:
NA.23

form

liquid

mol wt

PEG average Mn 350 (n~8)
average Mn 400

refractive index

n20/D 1.458

density

1.105 g/mL at 25 °C

Ω-end

azide

α-end

methoxy

storage temp.

2-8°C

Application

PEG functionalized with azide is commonly used in copper-mediated ligation (click chemistry). PEG of this molecular weight should remain amorphous at room temperature.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3


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