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
P5413
Poly(ethylene glycol)
Molecular Biology, average mol wt 8,000
Synonym(s):
Poly (ethylene oxide), Polyethylene glycol, PEG
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InChI
1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2
SMILES string
C(CO)O
InChI key
LYCAIKOWRPUZTN-UHFFFAOYSA-N
grade
Molecular Biology
form
powder
mol wt
average mol wt 8,000
Quality Level
greener alternative product characteristics
Safer Solvents and Auxiliaries
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solubility
water: soluble (approximately 630 mg/ml, 20 °C)
density
1.0845 g/mL at 70 °C, 1.0689 g/mL at 90 °C
foreign activity
DNase, RNase and NICKase, none detected
greener alternative category
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This Item | P3265 | 81268 | 81260 |
|---|---|---|---|
| form powder | form liquid | form powder | form flakes |
| Quality Level 300 | Quality Level 200 | Quality Level 200 | Quality Level 300 |
| mol wt average mol wt 8,000 | mol wt average mol wt 400 | mol wt Mr 7000-9000 | mol wt Mn 5,000-7,000, average Mn 6,000 |
| density 1.0845 g/mL at 70 °C, 1.0689 g/mL at 90 °C | density 1.1254 g/cm3 at 20 °C, 1.0930 g/cm3 at 60 °C | density 1.0845 g/mL at 70 °C, 1.0689 g/mL at 90 °C | density - |
| grade for molecular biology | grade - | grade for molecular biology | grade - |
| solubility water: soluble (approximately 630 mg/ml, 20 °C) | solubility water: 100 mg/mL | solubility H2O: 50 mg/mL at 20 °C, clear, colorless | solubility - |
Application
General description
Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Related Content
Polyethylene glycol (PEG), also sometimes referred to as polyethylene oxide (PEO), is a condensation polymer of ethylene oxide and water that has several chemical properties that make it useful for biological, chemical and pharmaceutical applications.
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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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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