The molecular weight of this material is not reported on a lot to lot basis. However, the starting material used to prepare this solution must meet the listed molecular weight criteria. This product option is the lowest molecular weight option available. Other products available offer a molecular weight range of > 100 kDa to 500 kDa.
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522376
Poly(diallyldimethylammoniumchlorid) -Lösung
average Mw <100,000 (very low molecular weight), 35 wt. % in H2O
Synonym(e):
PDADMAC
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| Größe/SKU | Verfügbarkeit | Preis |
|---|---|---|
25 mL | Warenkorb auf Verfügbarkeit prüfen | € 85,70 |
1 L | Warenkorb auf Verfügbarkeit prüfen | € 120,00 |
Über diesen Artikel
Lineare Formel:
(C8H16ClN)n
CAS-Nummer:
UNSPSC Code:
12162002
NACRES:
NA.23
MDL number:
Technischer Dienst
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Unterstützung erhaltenmol wt
average Mw <100,000 (very low molecular weight)
Quality Segment
concentration
35 wt. % in H2O
refractive index
n20/D 1.417
viscosity
100-200 cP(25 °C)
density
1.09 g/mL at 25 °C
SMILES string
[Cl-].[N+](CC=C)(CC=C)(C)C
InChI
1S/C8H16N.ClH/c1-5-7-9(3,4)8-6-2;/h5-6H,1-2,7-8H2,3-4H3;1H/q+1;/p-1
InChI key
GQOKIYDTHHZSCJ-UHFFFAOYSA-M
General description
Poly(diallyldimethylammonium chloride) (PDDA) is a cationicpolyelectrolyte that easily ionizes when dissolved in water. This polymer iswidely used in the fields of waste-water treatment (as a flocculant) and the functionalizationof nanoparticles.
Application
Poly(diallyldimethylammonium chloride) can be used as a stabilizing agent in the synthesis of nanoparticles such as capped copper hexacyanoferrate (CuHCF) nanoparticles. The addition of PDDA protects the particles from aggregation and allows the synthesis of nanoparticles with controlled size and polydispersity. It can also be used to fabricate chemical and biological sensors. For example, PDDA-modified catalyst platforms can be used in the electrochemical detection of L-cysteine.
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Dieser Artikel | |||
|---|---|---|---|
| description average Mw <100,000 (very low molecular weight), 35 wt. % in H2O | description 20 wt. % in H2O | description average Mw 200,000-350,000 (medium molecular weight), 20 wt. % in H2O | description average Mw 400,000-500,000 (high molecular weight), 20 wt. % in H2O |
| concentration 35 wt. % in H2O | concentration 20 wt. % in H2O | concentration 20 wt. % in H2O | concentration 20 wt. % in H2O |
| density 1.09 g/mL at 25 °C | density 1.04 g/mL at 25 °C | density 1.04 g/mL at 25 °C | density 1.04 g/mL at 25 °C |
| viscosity 100-200 cP(25 °C) | viscosity 60-180 cP(25 °C) | viscosity 350-950 cP(25 °C, Brookfield) | viscosity 600-900 cP(25 °C) |
| mol wt average Mw <100,000 (very low molecular weight) | mol wt - | mol wt average Mw 200,000-350,000 (medium molecular weight) | mol wt average Mw 400,000-500,000 (high molecular weight) |
| refractive index n20/D 1.417 | refractive index n20/D 1.375 | refractive index n20/D 1.375 | refractive index n20/D 1.37 |
| Quality Level 100 | Quality Level 200 | Quality Level 100 | Quality Level 200 |
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Lagerklasse
10 - Combustible liquids
wgk
WGK 1
flash_point_f
>212.0 °F - closed cup
flash_point_c
> 100 °C - closed cup
ppe
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
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Hello, can I know the molecular weight of this product, and if this is the lowest MW of your PDADMAC products? Thanks,
1 answer-
Helpful?
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
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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May I know if this sample is atactic or does it have tacticity?
1 answer-
The tacticity is not defined or controlled for, so this product would be considered atactic.
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