Specific solubility conditions, such as stirring speed and water temperature are not specified. Analytical testing is performed at ambient temperature. Solutions prepared for assay purposes, at 0.05% and 1% in water, are appreciably soluble with no gel formation during the hydration process. The concentration at which a temporary gel-like solution may occur has not been investigated.
447013
Poly(acrylic acid sodium salt)
average Mw ~5,100 by GPC, powder
Synonym(s):
Poly(sodium acrylate), Sodium polyacrylate
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| Size/SKU | Availability | Price |
|---|---|---|
100 g | Available to ship TODAYfromMILWAUKEE | $71.70 |
500 g | Available to ship TODAYfromMILWAUKEE | $243.00 |
About This Item
CAS Number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.25
MDL number:
$71.70
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form
powder
Quality Segment
mol wt
average Mw ~5,100 by GPC
feature
hydrophilic
impurities
8-14% water
pH
6-9
density
0.55 g/mL at 25 °C
SMILES string
[Na+].[O-]C(=O)C=C
InChI
1S/C3H4O2.Na/c1-2-3(4)5;/h2H,1H2,(H,4,5);/q;+1/p-1
InChI key
NNMHYFLPFNGQFZ-UHFFFAOYSA-M
Application
Scale inhibitor, builder in detergents, aid in soap and detergent processing and control of water hardness.
Features and Benefits
Water soluble sequesters metal ions and hydrolytically and thermally stable.
1 of 1
This Item | |||
|---|---|---|---|
| description average Mw ~5,100 by GPC, powder | description analytical standard, suitable for gel permeation chromatography (GPC), 16,000 | description 45 wt. % in H2O | description average Mw ~2,100 |
| form powder | form - | form viscous liquid | form powder |
| density 0.55 g/mL at 25 °C | density - | density 1.32 g/mL at 25 °C | density 0.55 g/mL at 25 °C |
| feature hydrophilic | feature - | feature hydrophilic | feature hydrophilic |
| pH 6-9 | pH - | pH - | pH - |
| mol wt average Mw ~5,100 by GPC | mol wt Mp ~16000, Mn ~12800, Mw ~18100 | mol wt - | mol wt average Mw ~2,100 |
| Quality Level 100 | Quality Level 100 | Quality Level 200 | Quality Level 200 |
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Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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What are the optimal conditions (e.g., water temperature, stirring speed) and the expected time required to achieve complete dissolution? Could you clarify its initial hydration behavior? When first added to water, does it temporarily form gel-like?
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How can I determine the shelf life / expiration / retest date of this product?
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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.pdfHelpful?
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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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Is this sold with a fluorescent stabilizer in solution?
1 answer-
This product contains no fluorescence stabilizers. Currently, this material is not available as a prepared solution.
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