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Sigma-Aldrich

Poly(ethylene glycol) dithiol

average Mn 1,000, thiol

Synonym(s):

Polyethylene glycol, PEG dithiol

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About This Item

Linear Formula:
HSCH2CH2(OCH2CH2)nSH
UNSPSC Code:
12162002
NACRES:
NA.23
Pricing and availability is not currently available.

Product Name

Poly(ethylene glycol) dithiol, average Mn 1,000

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).[1] Gold nanoparticles may be easily functionalized with PEG dithiols by simple ligand exchange.[2]

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

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Certificates of Analysis (COA)

Lot/Batch Number
MKCW4873
MKCR7598
MKCQ0755
MKCH8048
MKCG7818

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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
Nadeau J
Introduction to Experimental Biophysics: Biological Methods for Physical Scientists null
Qiang Wei et al.
ACS biomaterials science & engineering, 6(8), 4687-4701 (2021-01-19)
Hydrogels have been widely explored for the delivery of cells in a variety of regenerative medicine applications due to their ability to mimic both the biochemical and physical cues of cell microniches. For bone regeneration, in particular, stiff hydrogels mimicking

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Questions

1–2 of 2 Questions  

  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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