234257
Polyvinylpyrrolidone
powder, average Mw ~29,000
Sinónimos:
PVP, Polyvidone, Povidone
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Fórmula lineal:
(C6H9NO)n
Número CAS:
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12162002
MDL number:
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Permítanos ayudarleInChI
1S/C6H9NO/c1-2-7-5-3-4-6(7)8/h2H,1,3-5H2
InChI key
WHNWPMSKXPGLAX-UHFFFAOYSA-N
form
powder
mol wt
average Mw ~29,000
ign. residue
≤0.5%
Quality Level
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Categorías relacionadas
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 the Reppe synthesis technique.
Application
PVP is one of the constituents used in the synthesis and coating of silver nanocubes. It serves as a reducing agent and colloidal stabilizer in the synthesis of palladium nanobars and nanoplates. It is also used as a capping agent in the synthesis of silver nanospheres. General applications of 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.
Clase de almacenamiento
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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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
Synthesis and characterization of fivefold twinned nanorods and right bipyramids of palladium
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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
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Kim MH, et al.
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