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O,O′-Bis(2-aminopropyl) polypropylene glycol-block-polyethylene glycol-block-polypropylene glycol

Name: O,O&#8242;-Bis(2-aminopropyl) polypropylene glycol-block-polyethylene glycol-block-polypropylene glycol
Brand: ALDRICH

Mw 1,900

Synonym(s):

Polyethylene glycol

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About This Item

Linear Formula:

CH₃CH(NH₂)CH₂[OCH(CH₃)CH₂]_l(OCH₂CH₂)_m[OCH₂CH(CH₃)]_nNH₂

CAS Number:

65605-36-9

UNSPSC Code:

12162002

PubChem Substance ID:

57647171

NACRES:

NA.23

MDL number:

MFCD00147794

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Properties

Product Name

O,O′-Bis(2-aminopropyl) polypropylene glycol-block-polyethylene glycol-block-polypropylene glycol, 1,900

Quality Segment

200

form

solid

Description

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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1 of 1

This Item	14526	14527	182028
Sigma-Aldrich 14529 O,O′-Bis(2-aminopropyl) polypropylene glycol-block-polyethylene glycol-block-polypropylene glycol	Sigma-Aldrich 14526 O,O′-Bis(2-aminopropyl) polypropylene glycol-block-polyethylene glycol-block-polypropylene glycol	Sigma-Aldrich 14527 O,O′-Bis(2-aminopropyl) polypropylene glycol-block-polyethylene glycol-block-polypropylene glycol1	Sigma-Aldrich 182028 Poly(ethylene oxide)
description 1,900	description 500	description 800	description average M_v 600,000 (nominal), powder
form solid	form -	form -	form powder
Quality Level 200	Quality Level 200	Quality Level 100	Quality Level 100

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Storage Class

11 - Combustible Solids

WGK

WGK 1

Flash Point (°F)

235.4 °F - closed cup

Flash Point (°C)

113 °C - closed cup

PPE (personal protective equipment)

Eyeshields, Gloves

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Questions

1–2 of 2 Questions

Anonymous

a year ago

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

1 answer
1. Technical Support
  
  a year ago
  
  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
  
  Helpful?
Anonymous

2 years ago

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

1 answer
1. Technical Support
  
  2 years ago
  
  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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