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190888

Poly[(2-ethyldimethylammonioethyl methacrylate ethyl sulfate)-co-(1-vinylpyrrolidone)]

20 wt. % in H2O

Sinonimo/i:

Poly(1-vinylpyrrolidone-co-2-dimethylaminoethyl methacrylate), Polyquaternium D 11

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Cambia visualizzazione
Voi/SKUDisponibilitàPrezzo
250 g
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CHF 237.00

Informazioni su questo articolo

Numero CAS:
UNSPSC Code:
12162002
NACRES:
NA.23
MDL number:

CHF 237.00


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form

solid

Quality Segment

concentration

20 wt. % in H2O

density

1.05 g/mL at 25 °C

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

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

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Questo articolo
190837190845570427
description

20 wt. % in H2O

description

average Mw ~13,000 (GPC vs. poly(ethylene oxide)), 50 wt. % in isopropanol

description

average Mw ~50,000 (GPC vs. poly(ethylene oxide)), powder

description

-

form

solid

form

-

form

powder

form

-

density

1.05 g/mL at 25 °C

density

0.958 g/mL at 25 °C

density

1.27 g/mL at 25 °C (lit.)

density

-

mol wt

average Mw <1,000,000 by GPC

mol wt

average Mw ~13,000 (GPC vs. poly(ethylene oxide))

mol wt

average Mw ~50,000 (GPC vs. poly(ethylene oxide))

mol wt

-

Quality Level

200

Quality Level

-

Quality Level

200

Quality Level

-

concentration

20 wt. % in H2O

concentration

50 wt. % in isopropanol

concentration

-

concentration

-


Classe di stoccaggio

11 - Combustible Solids

Che succede?

WGK 2

Punto di infiammabilità (°F)

Not applicable

Punto di infiammabilità (°C)

Not applicable

DPI (dispositivi di protezione individuale)

dust mask type N95 (US), Eyeshields, Gloves



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Questions

1–2 of 2 Questions  
  1. What is the ratio between the two monomers? (mass or mol ratio)

    1 answer
    1. 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.

      Helpful?

  2. How many repeating units are there in this copolymer?

    1 answer
    1. 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.

      Helpful?

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