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685453

Sigma-Aldrich

Platinum

nanopowder, <50 nm particle size (TEM)

Synonym(s):

Platinum black, Platinum element

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About This Item

Empirical Formula (Hill Notation):
Pt
CAS Number:
7440-06-4
Molecular Weight:
195.08
EC Number:
231-116-1
MDL number:
MFCD00011179
UNSPSC Code:
12352302
PubChem Substance ID:
329760970
NACRES:
NA.23

form

nanopowder

Quality Level

100

reaction suitability

reagent type: catalyst
core: platinum

resistivity

10.6 μΩ-cm, 20°C

particle size

<50 nm (TEM)

bp

3827 °C (lit.)

mp

1772 °C (lit.)

density

21.45 g/cm3 (lit.)

SMILES string

[Pt]

InChI

1S/Pt

InChI key

BASFCYQUMIYNBI-UHFFFAOYSA-N

Related Categories

General description

Platinum(Pt) is a dense, malleable, and ductile silver-white noble metal belonging tothe platinum group. This product is a Pd nanopowder with a particle size of <50nm (TEM), the resistivity of 10.6 μΩ-cm at 20°C and density of 21.45 g/cm³. Platinumis known for its exceptional resistance to corrosion and oxidation, making ithighly valuable in various industrial applications. Platinum exhibits strongcatalytic properties, which are utilized in a range of applications includingelectrical equipment, dental materials, implanted medical devices, andautomobile catalysts. Its high melting point of 1768 °C and stability underextreme conditions further enhance its desirability in sensitive researchprojects across electronics, catalysis, and synthesis. Our high-purity platinumpowder is characterized by its superior trace metals purity, ensuring itseffectiveness in demanding applications requiring high standards of quality andperformance.

Application


  • Main Group SnN(4)O Single Sites with Optimized Charge Distribution for Boosting the Oxygen Reduction Reaction.: This research focuses on the application of SnN(4)O single sites, enhanced by platinum, to improve the oxygen reduction reaction, a crucial process in fuel cells and metal-air batteries. The study highlights the potential of these materials in creating more efficient and durable energy storage solutions. (Shao et al., 2024).

  • Hydrogen spillover inspired bifunctional Platinum/Rhodium Oxide-Nitrogen-Doped carbon composite for enhanced hydrogen evolution and oxidation reactions in base.: This paper discusses a composite material using platinum and rhodium oxide, designed to enhance hydrogen evolution and oxidation reactions. This advancement is significant for renewable energy storage and hydrogen fuel cell technologies. (Kumar Manna et al., 2024).

  • Rapid synthesis of high-purity molybdenum carbide with controlled crystal phases.: Although primarily focused on molybdenum carbide, this study provides insights into high-purity synthesis techniques that could be applicable to platinum-based materials, potentially benefiting academic research and industrial applications. (Fang et al., 2024).

  • Solar-assisted selective separation and recovery of precious group metals from deactivated air purification catalysts.: This research explores a method for recovering platinum group metals from used catalysts using solar energy. This method could be beneficial for sustainable industrial practices and the recycling of high-value materials. (Wu et al., 2024).



Legal Information

Product of Engi-Mat Co.

Pictograms

Flame
GHS02

Signal Word

Danger

Hazard Statements

H228

Hazard Classifications

Flam. Sol. 1

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCQ4260
MKCL0778
MKCF3606
MKCD0170
MKBX8334V

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Shai Rozen et al.
Plastic and reconstructive surgery, 131(6), 1253-1265 (2013-05-30)
Left untreated, paralytic lagophthalmos may result in corneal dryness, ulcerations, and subsequent blindness. The most common nondynamic surgical solution is upper eyelid weight placement in a superficial, pretarsal pocket, carrying the risk of visibility, extrusion, and entropion. The authors present
Muhammad Rashid et al.
Journal of nanoscience and nanotechnology, 13(5), 3627-3633 (2013-07-19)
Platinum nanoparticles (Pt NPs) were chemically deposited on a Nafion polymer electrolyte membrane by the impregnation-reduction (I-R) procedure to prepare an active electrode for solid electrochemical sensors. Various analysis methods such as SEM, EDX, XRD and cyclic voltammogram (CV) measurements
Wei Sun et al.
Materials science & engineering. C, Materials for biological applications, 33(4), 1907-1913 (2013-03-19)
In this paper a platinum (Pt) nanoparticle decorated graphene (GR) nanosheet was synthesized and used for the investigation on direct electrochemistry of myoglobin (Mb). By integrating GR-Pt nanocomposite with Mb on the surface of carbon ionic liquid electrode (CILE), a
Loris De Cecco et al.
PloS one, 8(3), e58849-e58849 (2013-03-14)
We recently reported that peritumoral CpG-ODN treatment, activating TLR-9 expressing cells in tumor microenvironment, induces modulation of genes involved in DNA repair and sensitizes cancer cells to DNA-damaging cisplatin treatment. Here, we investigated whether this treatment induces modulation of miRNAs
Yuan Xiong et al.
Organic letters, 15(8), 1962-1965 (2013-04-12)
Metal-mediated rearrangements of 3-alkynyl flavone ethers are reported. The overall process involves 5-endo enyne cyclization to a platinum-containing spiro-oxocarbenium intermediate which may be trapped with methanol to produce spirodihydrofurans or further rearranged to afford either allenyl chromanediones or benzofuranones.
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