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
Przejdź do
C2485
β-Cyclodextrin polymer
powder
Synonim(y):
Beta-Cyclodextrin Polymeric Adsorbent
Wybierz wielkość
| Do Państwa/SKU | Dostępność | Cena netto |
|---|---|---|
1 g | Skontaktuj się z Obsługą Klienta, aby uzyskać informacje na temat dostępności | 428,00 zł |
5 g | Skontaktuj się z Obsługą Klienta, aby uzyskać informacje na temat dostępności | 1690,00 zł |
Informacje o tej pozycji
428,00 zł
biological source
synthetic
Quality Segment
form
powder
mol wt
average mol wt 2,000-300,000 Da
composition
Cyclodextrin content, 60% iodometric
color
white
solubility
H2O: soluble 100mg plus 1 mL, clear, colorless to light yellow
storage temp.
2-8°C
General description
Application
Other Notes
1 of 1
Ta pozycja | |||
|---|---|---|---|
| biological source synthetic | biological source plant | biological source - | biological source corn starch |
| Quality Level 100 | Quality Level 200 | Quality Level 200 | Quality Level 300 |
| solubility H2O: soluble 100mg plus 1 mL, clear, colorless to light yellow | solubility 1 M NH4OH: 50 mg/mL | solubility 1 M NaOH: 25 mg/mL, clear to slightly hazy | solubility - |
| form powder | form powder | form powder | form powder |
| storage temp. 2-8°C | storage temp. - | storage temp. room temp | storage temp. room temp |
| color white | color - | color - | color - |
Klasa składowania
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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How can I determine the shelf life / expiration / retest date of this product?
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Helpful?
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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
Helpful?
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Is the shown formula (scheme) of β-Cyclodextrin polymer accurate ? it indicates a macromolecule of precise molecular weight, i.e., 7 repeat units , each is a beta-cyclodextrin. The specification sheet indicates a dispersity in Mw
1 answer-
The structure shown on the product detail page and the specification sheet for this product is a correct representation of the monomer used to make it. The monomer has an active epoxide group. This product is a polymer, with (potentially) a very large distribution of molecular weights. The average molecular weight and the molecular weight distribution could vary from lot-to-lot, but neither is determined on a lot-specific basis.
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