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
749222
Polyacrylamide
average Mn 150,000
Synonym(s):
PAM
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
5 g | Check Cart for Availability | $175.00 |
25 g | Check Cart for Availability | $778.00 |
About This Item
form
solid
Quality Segment
mol wt
average Mn 150,000
feature
hydrophilic
mp
>200 °C
SMILES string
NC(=O)C=C
InChI
1S/C3H5NO/c1-2-3(4)5/h2H,1H2,(H2,4,5)
InChI key
HRPVXLWXLXDGHG-UHFFFAOYSA-N
Application
- The influence of swelling on elastic properties of polyacrylamide hydrogels: Studies how swelling influences the mechanical properties of polyacrylamide hydrogels, relevant for biomaterials research and development (R Subramani et al., 2020).
- Basics and recent advances of two dimensional-polyacrylamide gel electrophoresis: Reviews advancements in gel-based proteomics using polyacrylamide gel electrophoresis, essential for protein separation techniques in biochemical research (S Magdeldin et al., 2014).
- Polyacrylamide gel electrophoresis: Provides comprehensive guidelines on using polyacrylamide gel electrophoresis for molecular biology applications, including its role in genotyping and molecular diagnostics (MR Green, J Sambrook, 2020).
1 of 1
This Item | |||
|---|---|---|---|
| description average Mn 150,000 | description average Mn 40,000 | description nonionic water-soluble polymer | description average Mw ~10,000, 50 wt. % in H2O |
| form solid | form powder | form solid | form viscous liquid |
| mp >200 °C | mp 246-250 °C | mp 246-250 °C | mp - |
| feature hydrophilic | feature hydrophilic | feature - | feature hydrophilic |
| mol wt average Mn 150,000 | mol wt average Mn 40,000 | mol wt Mw 5,000,000-6,000,000 | mol wt average Mw ~10,000 |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
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Storage Class
11 - Combustible Solids
WGK
WGK 2
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
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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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What is the solubility limit in g/L of this product in MilliQ water?
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Since this product is a linear, non-cross-linked polyacrylamide it is expected to be very water soluble. Unfortunately, the solubility limit has not been tested.
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What is the Mw of this Polymer?
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As listed in the title section and 'PROPERTIES' section of the product detail page, the average molecular weight for this product is 150,000 Da.
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Is this polymer cationic or anionic?
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The charge is not characterized for this material. Through the highly reactive amide (NH2) group, the polymer can be chemically modified to produce a positively charged cationic polymer or a negatively charged anionic polymer.
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