PVP10
Polyvinylpyrrolidone
average mol wt 10,000
Synonym(s):
PVP, Polyvidone, Povidone
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About This Item
Linear Formula:
(C6H9NO)n
CAS Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.21
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form
powder
Quality Level
mol wt
average mol wt 10,000
viscosity number
12-18(lit.)
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
Polyvinylpyrrolidone (polyvidone, povidone, or PVP) is a synthetic water-soluble polymer consisting of linear 1-vinyl-2-pyrrolidinone groups. It is hygroscopic and readily absorbs up to 40% of water by its weight. It has excellent wetting properties in solution and easily forms films, which makes it suitable for use as a coating additive.PVP can be synthesized from its monomer N-vinylpyrrolidone via free-radical polymerization in the presence of AIBN as an initiator. In chemical industries, PVP is widely used as a surface stabilizer, growth modifier, nanoparticle dispersant, and reducing agent.
PVP can serve as a surface stabilizer, nanoparticle dispersant, growth modifier, and reducing agent, depending on the synthetic conditions.
PVP can serve as a surface stabilizer, nanoparticle dispersant, growth modifier, and reducing agent, depending on the synthetic conditions.
Application
PVP (average mol wt 10,000) can be used as a stabilizing agent in the synthesis of metal nanoparticles to prevent them from agglomeration. PVP is also used in the fabrication of mesoporous silica-polymer hybrid (PVP-aminopropyl-SBA-15 Schiff Base hybrid) for the effective removal of divalent heavy metal cations from wastewater. Grafting of PVP functionalization offers a strong affinity for heavy metal ions because it provides two adsorption sites, one through metal-C-O group interaction and the other through metal-π interaction (the chelation of with Schiff base).
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.
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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