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
91462
Kollisolv® PEG E 300
Greener Alternative
Synonym(s):
Poly(ethylene glycol), Lutrol E 300, Macrogol 300, Polyethylene glycol 300, PEG
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
1 kg | Check Cart for Availability | $87.80 |
About This Item
$87.80
form
liquid
Quality Segment
mol wt
average Mw 285-315 g/mol (from OH-value (56100*2)/OHZ)
greener alternative product characteristics
Safer Solvents and Auxiliaries
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product
impurities
reducing substances, complies, ≤0.1% sulfated ash, ≤0.25% ethylene glycol and diethylene glycol (sum), ≤1 ppm ethylene oxide, ≤1 ppm lead (verified on random samples only), ≤1.0% water, ≤10 ppm dioxan, ≤15 ppm formaldehyde, ≤5 ppm heavy metals (verified on random samples only), 0.5 g acetic acid (per 100 g), 620 ppm ethylene oxide
pH
4.5-7.0 (50 g/L)
viscosity
80-105 mPa.s(20 °C) (5.4-6.4 CS (98.9°C))
hydroxyl value
340‑394 mg KOH/g
solubility
H2O: 10%, clear, colorless
suitability
complies for acidity or alkalinity
greener alternative category
SMILES string
C(CO)O
InChI
1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2
InChI key
LYCAIKOWRPUZTN-UHFFFAOYSA-N
General description
Application
This research grade product is intended for use in R&D and development only.
Other Notes
Legal Information
1 of 1
This Item | |||
|---|---|---|---|
| description - | description certified reference material, pharmaceutical secondary standard | description European Pharmacopoeia (EP) Reference Standard | description certified reference material, pharmaceutical secondary standard |
| suitability complies for acidity or alkalinity | suitability - | suitability - | suitability - |
| form liquid | form - | form - | form - |
| solubility H2O: 10%, clear, colorless | solubility - | solubility - | solubility - |
| Quality Level 100 | Quality Level 300 | Quality Level - | Quality Level 300 |
| viscosity 80-105 mPa.s(20 °C) (5.4-6.4 CS (98.9°C)) | viscosity - | viscosity - | viscosity - |
| impurities 620 ppm ethylene oxide, ≤10 ppm dioxan, ≤1.0% water, ≤1 ppm ethylene oxide, 0.5 g acetic acid (per 100 g), ≤15 ppm formaldehyde, ≤1 ppm lead (verified on random samples only), reducing substances, complies, ≤5 ppm heavy metals (verified on random samples only), ≤0.1% sulfated ash, ≤0.25% ethylene glycol and diethylene glycol (sum) | impurities - | impurities - | impurities - |
Storage Class
10 - Combustible liquids
wgk
WGK 1
flash_point_f
428.0 °F - closed cup
flash_point_c
220.00 °C - closed cup
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
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ポリエチレングリコールにはホルムアルデヒドは何％含まれておりますでしょうか？また放出量は一般的な室温で何ppmくらい放出されますでしょうか？
1 answer-
The specification value for formaldehyde content is < 15 ppm. This value is lot-specific and can be found in the Certificate of Analysis (COA). Unfortunately, there is no information available regarding the volume of formaldehyde released at normal room temperature.
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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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