771937
Platinum
nanopowder, 200 nm particle size (SEM), 99.9% (metals basis)
Synonym(s):
Platinum black, Platinum element
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About This Item
Linear Formula:
Pt
CAS Number:
Molecular Weight:
195.08
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
11101803
EC Number:
231-116-1
MDL number:
Quality Segment
assay
99.9% (metals basis)
form
nanopowder
reaction suitability
reagent type: catalyst
core: platinum
greener alternative product characteristics
Design for Energy Efficiency
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sustainability
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resistivity
10.6 μΩ-cm, 20°C
particle size
200 nm (SEM)
bp
3827 °C (lit.)
mp
1772 °C (lit.)
density
21.45 g/cm3 (lit.)
application(s)
hydrogen and fuel cell
greener alternative category
SMILES string
[Pt]
InChI
1S/Pt
InChI key
BASFCYQUMIYNBI-UHFFFAOYSA-N
General description
Platinum nanopowder has a high catalytic activity and is used widely in catalysis, batteries, fuel cells, capacitors and sensors. They are used in the synthesis of counter electrode in dyes sensitized solar cells. Since it is difficult to directly use platinum nanoparticle as the electrode, they are usually surface supported on graphene or multi-walled carbon nanotubes.
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Application
Nanoscale platinum powders possess improved reaction rates compared to bulk powders owing to their high surface area. Platinum nanopowders have found use in applications including in fuel cells and oxidation catalysts.
Features and Benefits
High catalytic functionality, high conductivity and chemical stability in an acid-base environment.
signalword
Danger
hcodes
Hazard Classifications
Flam. Sol. 1
Storage Class
4.1B - Flammable solid hazardous materials
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
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