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206032

Sigma-Aldrich

Platinum(IV) oxide

greener alternative

Synonym(s):

Adam’s catalyst, NSC 402624, Platinic oxide, Platinum dioxide

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250 MG
$94.40
1 G
$239.00
5 G
$692.00
50 G
$6,390.00

$94.40

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250 MG
$94.40
1 G
$239.00
5 G
$692.00
50 G
$6,390.00

About This Item

Linear Formula:
PtO2
CAS Number:
1314-15-4
Molecular Weight:
227.08
EC Number:
215-223-0
MDL number:
MFCD00011184
UNSPSC Code:
12161600
PubChem Substance ID:
24852371
NACRES:
NA.22

$94.40

In StockDetails

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form

solid

Quality Level

200

composition

Pt, 81-83%

reaction suitability

core: platinum
reagent type: catalyst

greener alternative product characteristics

Designing Safer Chemicals
Catalysis
Learn more about the Principles of Green Chemistry.

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surface area

≥60 m2/g

mp

450 °C (lit.)

greener alternative category

, Aligned

SMILES string

O=[Pt]=O

InChI

1S/2O.Pt

InChI key

YKIOKAURTKXMSB-UHFFFAOYSA-N

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General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for catalytic efficiency. Click here for more information.

Application

Catalyst for hydrogenation of various functional groups with minimal hydrogenolysis problems; used as dehydrogenation catalyst; used for selective oxidation of primary alcohols.
Catalyst for:
  • Hydrohydrazination reactions
  • Oxidation of sugars
  • Low-temperature oxidation of carbon monoxide
  • Oxygen reduction reaction
  • Hydrogenation reactions
  • Hydrogenolysis of the cyclopropyl group into an isopropyl group
  • Hydroxycyclopropanation reactions
Platinum(IV) oxide has been used for the reduction of citernyl bromide to form (S)-3,7-dimethyloctylbromide.[1]

For small scale and high throughput uses, product is also available as ChemBeads (928291)

pictograms

Flame over circle
GHS03

signalword

Danger

hcodes

H271

Hazard Classifications

Ox. Sol. 1

Storage Class

5.1A - Strongly oxidizing hazardous materials

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
BCCJ4310
BCCK0358
BCCH7159
BCCH0487
BCCH6291

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Avery, M. A.; Verlander, M. S.; Goodman, M.
The Journal of Organic Chemistry, 45, 2750-2750 (1980)
Just, G.; Wang, Z. Y.; Chan, L.
The Journal of Organic Chemistry, 53, 1030-1030 (1988)
Room-temperature discotic cholesteric and nematic phases: influence of 3, 7-dimethyloctane peripheral chain on the molecular self-assembly of radial polyalkynylbenzene.
Varshney SK
Liq. Cryst., 38(1), 53-60 (2011)
Lee, T. B. K.; Wong, G. S. K.
The Journal of Organic Chemistry, 56, 872-872 (1991)
Development of GSKDevelopment of GSK's reagent guides ? embedding sustainability into reagent selections reagent guides ? embedding sustainability into reagent selection.
Adams JP, et al.
Green Chemistry, 15, 1542-1549 (2013)

Articles

Oxidizing and Reducing Agents

Oxidation and reduction reactions are some of the most common transformations encountered in organic synthesis

Questions

1–6 of 6 Questions  

  1. What is the Department of Transportation shipping information for this product?

    1 answer

    1. Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.

      Helpful?

  2. Is Product 206032, Platinum (IV) oxide, water soluble?

    1 answer

    1. It is insoluble in water.

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  3. Are there any safety concerns with Product 206032, Platinum (IV) oxide?

    1 answer

    1. After exposure to hydrogen, the resulting platinum black can be pyrophoric.  Therefore, it should not be allowed to dry and all exposure to oxygen should be minimized.

      Helpful?

  4. How can Product 206032, Platinum (IV) oxide, be used as a catalyst?

    1 answer

    1. Platinum(IV) oxide can be used as a catalyst in hydrogenations.  The actual catalyst is platinum black which is formed in situ by reduction of the PtO2 by the hydrogen used for the hydrogenation.  It is especially useful for reduction at room temperature and hydrogen pressures up to 4 atmospheres.  It is suitable for the reduction of double and triple bonds, aromatic nuclei, carbonyl groups, nitro groups, and nitriles.

      Helpful?

  5. In which solvents is Product 206032, Platinum (IV) oxide, soluble?

    1 answer

    1. Per the the chemicals encyclopedia published by the Royal Society of Chemistry, 13th Edition, when freshly precipitated, Platinum(IV) Oxide is soluble in concentrated acids and dilute phosphoric acid, especially when warmed.  It is easily soluble in dilute solutions of potassium hydroxide.

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  6. Can the Platinum be recovered from Product 206032, Platinum (IV) oxide?

    1 answer

    1. Internet sources do indicate that Platinum can be recovered from spent catalyst by conversion to ammonium chloroplatinate using aqua regia followed by ammonia.  However, we do have a process for doing so.

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