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192074

Sigma-Aldrich

Poly(4-vinylpyridine-co-styrene)

powder

Sinonimo/i:

4-Vinylpyridine-styrene copolymer, Poly(4-vinylpyridine)-polystyrene copolymer, Styrene-4-vinylpyridine copolymer

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10 G
75,50 €
50 G
284,00 €

75,50 €

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10 G
75,50 €
50 G
284,00 €

About This Item

Numero CAS:
26222-40-2
Numero MDL:
MFCD00084388
Codice UNSPSC:
12162002
NACRES:
NA.23

75,50 €

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Stato

powder

Livello qualitativo

100

applicazioni

advanced drug delivery
coatings

Stringa SMILE

C=CC1=CC=CC=C1.C=CC1=CC=NC=C1

InChI

1S/C8H8.C7H7N/c1-2-8-6-4-3-5-7-8;1-2-7-3-5-8-6-4-7/h2-7H,1H2;2-6H,1H2
CIPXQVPZUWMSQE-UHFFFAOYSA-N

Categorie correlate

Applicazioni

Poly(4-vinylpyridine-co-styrene) can be used:
  • As a precursor in the preparation of ionic polymer with pendant photochromic moieties by reactingwith1,3,3-trimethyl-6′-bromohexyloxyspiro[2H]-indol-2,3′-[3H]-naphth[2,1-b][1,4]oxazine.
  • As permselective membrane in the preparation of composite electrodes for glucose sensing.
  • To prepare mixed redox polymer [RuIII(edta)(OH2)(py)]2[RuII(NH3)5(py)], which can switch into six redox states.

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

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Certificati d'analisi (COA)

Lot/Batch Number
MKCX5573
MKCX5397
MKCX1959
MKCX1746
MKCW8106

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Poly(2-vinylpyridine) analytical standard, average Mw 159,000 (Typical), average Mn 152,000 (Typical)

Supelco

523356

Poly(2-vinylpyridine)

Quetiapine hemifumarate salt ≥98% (HPLC)

Sigma-Aldrich

Q3638

Quetiapine hemifumarate salt

Yeong-Soon Gal et al.
Journal of nanoscience and nanotechnology, 8(9), 4885-4888 (2008-12-04)
An ionic polymer with pendant photochromic moieties was prepared by the reaction of poly(4-vinylpyridine-co-styrene) and 1,3,3-trimethyl-6'-bromohexyloxyspiro[2H]-indol-2,3'-[3H]-naphth[2,1-b][1,4]oxazine. The photochromic reaction in question is caused by the reversible heterolytic cleavage of the C(spiro)-O bond under UV irradiation, yielding the colored form that

Domande

1–5 di 5 domande  

  1. What is the molecular weight of this product?

    1 risposta

    1. This product has an estimated average molecular weight is 150,000 based on viscosity.

      Utile?

  2. How can I determine the shelf life / expiration / retest date of this product?

    1 risposta

    1. 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/449/386/product-dating-information-mk.pdf

      Utile?

  3. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 risposta

    1. 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

      Utile?

  4. I would like to know what the molecular weight of the polymer is, both Mn and Mw, thanks.

    1 risposta

    1. The approximate viscosity average molecular weight (Mv) of this product is 150,000 g/mol. However, specific values for the number average molecular weight (Mn) and weight average molecular weight (Mw) are not available.

      Utile?

  5. Could you please provide the styrene content of this product?

    1 risposta

    1. This polymer has 10 wt% styrene.

      Utile?

Recensioni

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