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437190

Sigma-Aldrich

Polyvinylpyrrolidone

average Mw ~1,300,000 by LS

Synonym(s):

PVP, Polyvidone, Povidone

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About This Item

Linear Formula:
(C6H9NO)n
CAS Number:
9003-39-8
MDL number:
MFCD00149016
UNSPSC Code:
12162002
PubChem Substance ID:
24867354
NACRES:
NA.23

form

powder

mol wt

average Mw ~1,300,000 by LS

mp

>300 °C

SMILES string

C=CN1CCCC1=O

InChI

1S/C6H9NO/c1-2-7-5-3-4-6(7)8/h2H,1,3-5H2

InChI key

WHNWPMSKXPGLAX-UHFFFAOYSA-N

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General description

PVP has biocompatibility, low toxicity, adhesive characteristics, complexing stability, relatively inert behavior, and is resistant to thermal degradation. It is readily prepared by the polymerization of N-vinyl-2-pyrrolidone or by Reppe synthesis technique.

Application

PVP is used as a carrying polymer for electrospinning continuous titania nanofibers and zirconium tungstate ultra thin fibers. PVP may be used as one of the constituents in the synthesis of silver nanocubes. It serves as a reducing agent and colloidal stabilizer in the synthesis of palladium nanobars,
triangular and nanoplates. It may also used as a capping agent in the synthesis of silver nanospheres,gold nanoframes.General applications pf PVP are: in pharmaceutical, food, beverage, cosmetic, toiletry and photographic industries.

Other Notes

Polyvinylpyrrolidone is a component of Denhardt′s Solution and is included at a concentration of 1% (w/v) in the standard 50X stock solution.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Synthesis and Characterization of Zirconium Tungstate Ultra-Thin Fibers.
Zhang L, et al.
Crystal Growth & Design, 9(2), 667-670 (2009)
Spray deposition of electrospun TiO2 nanorods for dye-sensitized solar cell
Fujihara K, et al.
Nanotechnology, 18(36), 365709-365709 (2007)
Synthesis and characterization of fivefold twinned nanorods and right bipyramids of palladium
Xiong Y, et al.
Chemical Physics Letters, 440(4), 273-278 (2007)
Yujie Xiong et al.
Journal of the American Chemical Society, 129(12), 3665-3675 (2007-03-06)
This paper describes a simple and versatile method for growing highly anisotropic nanostructures of Pd, single-crystal nanobars bounded by {100} facets and single-crystal nanorods with their side surfaces enclosed by {100} and {110} facets. According to thermodynamic arguments, Pd atoms
Yujie Xiong et al.
Journal of the American Chemical Society, 127(48), 17118-17127 (2005-12-01)
The rapid reduction of Na(2)PdCl(4) by ethylene glycol in the presence of poly(vinyl pyrrolidone) (PVP) has recently been demonstrated as a convenient method of generating Pd cubooctahedra and twinned nanoparticles. Here we describe a new procedure where Pd triangular or
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