The Poly Dispersity Index is lot-specific and reported in the Certificate of Analysis. A survey of recent lots indicates a range of 1.04 - 1.13. Please see the link below to review a sample or lot-specific Certificate under ‘Certificate of Analysis’:
https://www.sigmaaldrich.com/product/sial/523321Z#product-documentation
523321
Poly(2-vinylpyridine)
analytical standard, average Mw 37,500 (Typical), average Mn 35,000 (Typical)
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1 G
MXP 2,257.00
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analytical standard
Quality Level
mol wt
average Mn 35,000 (Typical)
average Mw 37,500 (Typical)
technique(s)
gel permeation chromatography (GPC): suitable
format
neat
SMILES string
n1c(cccc1)C=C
InChI
1S/C7H7N/c1-2-7-5-3-4-6-8-7/h2-6H,1H2
InChI key
KGIGUEBEKRSTEW-UHFFFAOYSA-N
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Este artículo | 523356 | 181293 | P3143 |
|---|---|---|---|
| technique(s) gel permeation chromatography (GPC): suitable | technique(s) gel permeation chromatography (GPC): suitable | technique(s) gel permeation chromatography (GPC): suitable | technique(s) gel permeation chromatography (GPC): suitable |
| format neat | format neat | format neat | format single component solution |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
| grade analytical standard | grade analytical standard | grade analytical standard | grade analytical standard |
| mol wt average Mn 35,000 (Typical) | mol wt average Mn 152,000 (Typical), average Mw 159,000 (Typical) | mol wt average Mn 130,000 (Typical) | mol wt Mn ~60,000, Mw 750,000 |
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Clase de almacenamiento
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Yuri Roiter et al.
Nanoscale, 4(1), 284-292 (2011-11-15)
The mechanism of nanoparticle actuation by stimuli-responsive polymer brushes triggered by changes in the solution pH was discovered and investigated in detail in this study. The finding explains the high spectral sensitivity of the composite ultrathin film composed of a
Mikhail Motornov et al.
Nanotechnology, 20(43), 434006-434006 (2009-10-06)
A pH-responsive mixed polyelectrolyte brush from tethered polyacrylic acid (PAA) and poly(2-vinylpyridine) (P2VP) (PAA:P2VP = 69:31 by weight) was prepared and used for selective gating transport of anions and cations across the thin film. An ITO glass electrode was modified
Andreas Walther et al.
Chemical communications (Cambridge, England), (9)(9), 1127-1129 (2009-02-20)
We report on the unexpected finding of the formation of hydrophobic bridges between polybutadiene patches of multicompartment micelles based on amphiphilic miktoarm star terpolymers in water.
Kaizhong Fan et al.
Journal of colloid and interface science, 344(1), 112-116 (2010-01-20)
The interaction between negatively charged organic salts, with one two and three sulfonate groups respectively, and positively charged poly(2-vinylpyridine) microgel particles has been investigated. Absorption isotherms are used to describe the uptake of organic salt into the microgel network and
Oleksandr Trotsenko et al.
Langmuir : the ACS journal of surfaces and colloids, 28(14), 6037-6044 (2012-03-15)
Conformations of cationic polyelectrolytes (PEs), a weak poly(2-vinylpyridine) (P2VP) and a strong poly(N-methyl-2-vinylpyridinium iodide) (qP2VP), adsorbed on mica from saline solutions in the presence of counterions of different valences are studied using in situ atomic force microscopy (AFM). Quantitative characteristics
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