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14529

O,O′-Bis-(2-aminopropyl)-polypropylenglykol-block-polyethylenglykol-block-polypropylenglykol

Mw 1,900

Synonym(e):

Jeffamine® ED-2003

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Ihnen/SKUVerfügbarkeitPreis
100 g
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€ 39,50
500 g
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€ 139,00

Über diesen Artikel

Lineare Formel:
CH3CH(NH2)CH2[OCH(CH3)CH2]l(OCH2CH2)m[OCH2CH(CH3)]nNH2
CAS-Nummer:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23
MDL number:

€ 39,50


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Produktname

O,O′-Bis-(2-aminopropyl)-polypropylenglykol-block-polyethylenglykol-block-polypropylenglykol, 1,900

Quality Segment

form

solid

General description

(O,O′ -bis(2-aminopropyl) polypropylene glycol-block-polyethylene glycol-block-polypropylene glycol is a functional oligomer with a high content of polypropylene glycol (PEO). {3}

Application

This product may be used for the solubilisation of CdSe-based quantum dots (QDs). Functionalization of QDs makes it easier for them to bind with proteins. {2} This product may be used for the insitu fabrication of PEO/silica membranes.{3}

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Lagerklasse

11 - Combustible Solids

wgk

WGK 1

flash_point_f

235.4 °F - closed cup

flash_point_c

113 °C - closed cup

ppe

Eyeshields, Gloves



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Analysenzertifikate (COA)

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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/418/501/product-dating-information-06-25-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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