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
202487
Poly(ethylene glycol) methyl ether
average MN 550, methoxy, hydroxyl
Sinónimos:
Polyethylene glycol monomethyl ether
About This Item
Productos recomendados
Nombre del producto
Poly(ethylene glycol) methyl ether, average Mn 550
vapor density
>1 (vs air)
Quality Level
vapor pressure
0.05 mmHg ( 20 °C)
form
semisolid
mol wt
average Mn 550
refractive index
n20/D 1.455
viscosity
7.5 cSt(210 °F)(lit.)
transition temp
Tm 20 °C
density
1.089 g/mL at 25 °C
Ω-end
hydroxyl
α-end
methoxy
SMILES string
O(CCO)C
InChI
1S/C3H8O2/c1-5-3-2-4/h4H,2-3H2,1H3
InChI key
XNWFRZJHXBZDAG-UHFFFAOYSA-N
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Application
Poly(ethylene glycol) methyl ether-grafted polyamidoamine (PAMAM) dendrimers can be used as drug carrier systems for anticancer drugs.
Storage Class
10 - Combustible liquids
wgk_germany
WGK 1
flash_point_f
359.6 °F - closed cup
flash_point_c
182 °C - closed cup
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How is shipping temperature determined? And how is it related to the product storage temperature?
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How can I determine the shelf life / expiration / retest date of this product?
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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.pdfHelpful?
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