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
81440
Polyvinylpyrrolidone
K 90
Synonym(s):
PVP, Polyvidone, Povidone
Select a Size
CZK 2,370.00
CZK 7,770.00
About This Item
Skip To
Product Name
Polyvinylpyrrolidone, K 90
InChI
1S/C6H9NO/c1-2-7-5-3-4-6(7)8/h2H,1,3-5H2
SMILES string
C=CN1CCCC1=O
InChI key
WHNWPMSKXPGLAX-UHFFFAOYSA-N
form
powder or crystals (or flakes)
Quality Level
Looking for similar products? Visit Product Comparison Guide
Related Categories
1 of 4
This Item | 81420 | 856568 | P5288 |
|---|---|---|---|
| form powder or crystals (or flakes) | form powder | form powder | form powder |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
Application
Other Notes
Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Choose from one of the most recent versions:
Already Own This Product?
Find documentation for the products that you have recently purchased in the Document Library.
-
How can I determine the shelf life / expiration / retest date of this product?
1 answer-
Helpful?
-
-
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?
-
-
Do you have any information about the chemical stability of 10% PVP solution in 0,9% NaCl. Storage temperature 5°C.
1 answer-
The stability of this product in solution has not been determined. However, product 81430 is a 45% solution of the PVP K60 in water. This product is not assigned an expiration or retest date, but includes a warranty of 1 year from the date of shipment. A 10% solution of the PVP K90 in normal saline may offer a similar shelf-life expectation.
Helpful?
-
-
What is the molecular weight of the polymer?
1 answer-
The molecular weight of this compound is approximately 360 kDa.
Helpful?
-
Active Filters
Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.
Contact Technical Service