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Merck

530573

Polypyrrole

greener alternative

doped, conductivity 30 S/cm (bulk), extent of labeling: 20 wt. % loading, composite with carbon black

Synonym(s):

PPy

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About This Item

CAS Number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.23
MDL number:
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description

Electrodes

Quality Level

contains

proprietary organic sulfonic acid as dopant

greener alternative product characteristics

Design for Energy Efficiency
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sustainability

Greener Alternative Product

extent of labeling

20 wt. % loading

mp

>300 °C

solubility

H2O: insoluble, organic solvents: insoluble

greener alternative category

SMILES string

[nH]1cccc1

InChI

1S/C4H5N/c1-2-4-5-3-1/h1-5H

InChI key

KAESVJOAVNADME-UHFFFAOYSA-N

General description

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Polypyrrole (PPy) is a conductive and highly stable polymer. It may be prepared by a standard electrochemical technique. PPy may also be prepared by reacting β-napthalene sulfonic acid (NSA) and ammonium peroxo-disulphate in aqueous medium. The charges on the surfaces can be easily modified by doping the polymer during its synthesis.Solubility and conductivity measurements of PPy doped with camphor sulfonic and dodecyl benzene sulfonic acid has been reported. Electrosensitivity and lower oxidation potential of PPy make it potentially useful for drug delivery, chemical sensors, batteries, ion selective electrodes, biosensor and biochemistry research. 5
Polypyrrole (PPy) is a widely used heterocyclic polymer that is highly conductive and is majorly used in electrochemical applications. It is a cost efficient conducting polymer that has a stable oxidation and high solubility in water. It has a high degree of flexibility than polyaniline and has a density that facilitates a higher capacitance per unit volume.

Application

Conducting polymer.
Conductive additive for thermoplasitics and thermosets.
Inherently conducting polymer based additive. Loading of polypyrrole in carbon black typically 20%. Stable up to at least 300°C in air.
PPy is mainly used in the fabrication of a variety of electrochemical devices which include supercapacitors, chemical sensors, dye sensitized solar cells and lithium-ion batteries.

Packaging

Packaged in glass bottles


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Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

530573-25G:4.548173943701E12

jan



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While dye sensitization as the basis for color photography has been accepted for a very long time,1 attempts to use this principle for the conversion of solar light to electricity generally had resulted only in very low photocurrents, below 100 nA/cm

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