![Poly[(2-ethyldimethylammonioethyl methacrylate ethyl sulfate)-co-(1-vinylpyrrolidone)] average Mw <1,000,000 by GPC, 20 wt. % in H2O](/deepweb/assets/sigmaaldrich/product/structures/334/533/03fcaede-76a6-4b5a-a992-9565ea1ace4a/640/03fcaede-76a6-4b5a-a992-9565ea1ace4a.png)
Unfortunately, the ratio between the two monomers is not determined for this product on a lot-to-lot basis. However, historical data indicates a mixture of approximately 83 wt% 1-vinylpyrrolidinone and 17 wt% 2-dimethyl-aminoethyl methacrylate.
190888
Poly[(2-ethyldimethylammonioethyl methacrylate ethyl sulfate)-co-(1-vinylpyrrolidone)]
average Mw <1,000,000 by GPC, 20 wt. % in H2O
Synonym(s):
Poly(1-vinylpyrrolidone-co-2-dimethylaminoethyl methacrylate), Polyquaternium D 11
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Product Name
Poly[(2-ethyldimethylammonioethyl methacrylate ethyl sulfate)-co-(1-vinylpyrrolidone)], average Mw <1,000,000 by GPC, 20 wt. % in H2O
SMILES string
[S](=O)(=O)(OCC)OCC.N1(CCCC1=O)C=C.N(CCOC(=O)C(=C)C)(C)C
InChI
1S/C8H15NO2.C6H9NO.C4H10O4S/c1-7(2)8(10)11-6-5-9(3)4;1-2-7-5-3-4-6(7)8;1-3-7-9(5,6)8-4-2/h1,5-6H2,2-4H3;2H,1,3-5H2;3-4H2,1-2H3
InChI key
XXJPSODUGQZOHA-UHFFFAOYSA-N
form
solid
mol wt
average Mw <1,000,000 by GPC
concentration
20 wt. % in H2O
density
1.05 g/mL at 25 °C
Quality Level
Related Categories
1 of 4
This Item | 657670 | 474576 | 181560 |
|---|---|---|---|
| form solid | form solid | form solid | form powder |
| density 1.05 g/mL at 25 °C | density - | density 1.3 g/mL at 25 °C (lit.) | density 1.09 g/mL at 25 °C (lit.) |
| mol wt average Mw <1,000,000 by GPC | mol wt - | mol wt Mn 3,000-5,000 Da, average Mw 8.000-12,000 Da | mol wt average Mw ~354,000 by GPC |
| concentration 20 wt. % in H2O | concentration - | concentration - | concentration - |
| Quality Level 200 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
General description
Poly[(2-ethyldimethylammonioethyl methacrylate ethyl sulfate)-co-(1-vinylpyrrolidone)] is a cationic polyelectrolyte that can be used as a reducing and protective agent to synthesize nanoparticles.
Preparation Note
Quaternized with diethyl sulfate
Storage Class
11 - Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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What is the ratio between the two monomers? (mass or mol ratio)
1 answer-
Helpful?
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How many repeating units are there in this copolymer?
1 answer-
Approximately 83% 1-vinylpyrrolidinone and approximately 17% 2-dimethyl-aminoethyl methacrylate. Since the average Mw of 190888 is less than 1,000,000, theoretically there should be 830,000 of 1-vinylpyrrolidinone and 170,000 of 2-dimethyl-aminoethyl methacrylate. The Mw of each 1-vinylpyrrolidinone and 2-dimethyl-aminoethyl methacrylate unit is 111.144 and 157.21, respectively. Therefore, the repeating unit can be calculated as 830,000/111.144 ≈ 7468 and 170,000/157.21 ≈ 1081, respectively.
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