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Poly(ethylene glycol) 2-mercaptoethyl ether acetic acid

Name: Poly(ethylene glycol) 2-mercaptoethyl ether acetic acid
Brand: ALDRICH

average M_n 2,000 (n~45), cross-linking reagent amine reactive, cross-linking reagent thiol reactive

Synonym(s):

Polyethylene glycol, mercaptoPEG acid, mercaptopoly(ethylene glycol) carboxylic acid, mercaptopolyoxyethylene acetic acid, thio-PEG, thiol-PEG-acid, thiol-PEG-carboxylate

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About This Item

Linear Formula:

HSC₂H₄O(C₂H₄O)_nCH₂CO₂H

CAS Number:

165729-81-7

MDL number:

MFCD12828780

NACRES:

NA.23

UNSPSC Code:

12162002

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Properties

Product Name

Poly(ethylene glycol) 2-mercaptoethyl ether acetic acid, average M_n 2,100

form

solid

Quality Segment

100

mol wt

PEG average M_n 2,000 (n~45), average M_n 2,100

reaction suitability

reagent type: cross-linking reagent
reactivity: amine reactive, reagent type: cross-linking reagent
reactivity: thiol reactive

mp

51-56 °C

Ω-end

thiol

α-end

carboxylic acid

polymer architecture

shape: linear
functionality: heterobifunctional

storage temp.

−20°C

Description

Application

Reported applications include: bioconjugation, drug delivery, PEG hydrogel, crosslinker, and surface functionalization.

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Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

>604.4 °F

flash_point_c

> 318 °C

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