Yes. This product is a hydrophilic 35 wt% poly(acrylic acid) solution in water, supplied as a viscous liquid. Further dilutions may be made with water.
523925
Poly(acrylic acid) solution
average Mw ~100,000, 35 wt. % in H2O
Synonym(s):
PAA
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| Size/SKU | Availability | Price |
|---|---|---|
100 mL | Check Cart for Availability | $85.10 |
500 mL | Check Cart for Availability | $294.00 |
About This Item
Linear Formula:
(C3H4O2)n
CAS Number:
UNSPSC Code:
12162002
NACRES:
NA.23
PubChem Substance ID:
MDL number:
mol wt
average Mw ~100,000
Quality Segment
feature
hydrophilic
concentration
35 wt. % in H2O
density
1.14 g/mL at 25 °C
SMILES string
OC(=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
General description
Poly (acrylic acid) (PAA) is hygroscopic, brittle and colorless in nature with Tg at nearly 106oC. At temperatures above 200, up to 250oC, it loses water and becomes an insoluble crosslinked polymer anhydride. Solubility of dried PAA in water increases with rise in temperature. Concentrated solutions of PAA in water are thixotropic in nature.
Application
PAA is used in the preparation of nano-hydroxyapatite polyacrylic acid (Hap/PAAc) biocomposites.†Other probable applications of PAA are: to study solute diffusion in Polyvinyl alcohol/PAA copolymer hydrogels†, synthesizing poly(N-isopropylacrylamide)-block-PAA copolymer which responds to both temperature and pH stimuli†, in preparing block copolymer of oligo (methyl methacrylate)/PAA for micellar delivery of hydrophobic drugs†, and as a thickening agent for adhesives.
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This Item | |||
|---|---|---|---|
| description average Mw ~100,000, 35 wt. % in H2O | description average Mw ~250,000, 35 wt. % in H2O | description average Mv ~450,000 | description analytical standard, average Mn 130,000 (Typical) |
| density 1.14 g/mL at 25 °C | density 1.150 g/mL at 25 °C | density - | density - |
| feature hydrophilic | feature hydrophilic | feature hydrophilic | feature - |
| concentration 35 wt. % in H2O | concentration 35 wt. % in H2O | concentration - | concentration - |
| mol wt average Mw ~100,000 | mol wt average Mw ~250,000 | mol wt average Mv ~450,000 | mol wt average Mn 130,000 (Typical) |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 100 |
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Signal Word
Danger
Hazard Codes
Precautionary Statements
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 2 - Eye Dam. 1 - STOT SE 3
Target Organs
Respiratory system
Storage Class
10 - Combustible liquids
WGK
WGK 1
Flash Point (°F)
212.0 °F - closed cup
Flash Point (°C)
100 °C - closed cup
PPE (personal protective equipment)
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
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Is it fully soluble in water?
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What instrument type of viscometer is used to measure the viscosity in the CoA ( Ubbelohde, rotational, or something else)? At what temperature was this measured, and how do the counts/sec relate to mPa.s?
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The viscosity is tested using a Brookfield viscometer.
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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?
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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