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717142

Sigma-Aldrich

Poly(ethylene glycol) dithiol

average Mn 1,000

Synonym(s):

Polyethylene glycol, PEG dithiol

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About This Item

Linear Formula:
HSCH2CH2(OCH2CH2)nSH
UNSPSC Code:
12162002

form

solid

Quality Level

100

mol wt

average Mn 1,000

reaction suitability

reagent type: cross-linking reagent
reactivity: thiol reactive

mp

29-33 °C

Ω-end

thiol

α-end

thiol

polymer architecture

shape: linear
functionality: homobifunctional

storage temp.

2-8°C

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Application

Thiol functionalized nanoparticles may be used in mucoadhesive drug delivery, synthesis of dithiol terminated amphiphilic diblock copolymer, Bidentate dithiol-poly(ethylene glycol)-poly(d,l-lactide) (SH2-PEG-PDLLA). Gold nanoparticles may be easily functionalized with PEG dithiols by simple ligand exchange.

Other Notes

Molecular weight: Mn 900-1,100

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315 - H319 - H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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Nadeau J
Introduction to Experimental Biophysics: Biological Methods for Physical Scientists null
Jian Yang et al.
Biomacromolecules, 15(4), 1346-1354 (2014-03-13)
Thiol-modified nanoparticles have potential applications in mucoadhesive drug delivery and have been examined in this regard for topical ocular delivery. In this paper we provide a simple method for the synthesis of a dithiol terminated amphiphilic diblock copolymer. Bidentate dithiol-poly(ethylene

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