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Platinum(IV) Oxide – Adams' Catalyst
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Description
Platinum(IV) Oxide – Adams' Catalyst
Other Names: Adams' Catalyst, Platinum dioxide, PtO₂
CAS Number: 1314-15-4
Chemical Formula: PtO₂
Appearance: Reddish-brown powder
Purity: Typically ≥99% (metal basis)
Applications:
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Heterogeneous hydrogenation catalyst for alkenes, alkynes, nitro groups
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Used in laboratory-scale organic synthesis
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Activated in situ with hydrogen to form platinum black
Properties:
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Insoluble in water and most solvents
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Converts to active metallic Pt upon contact with H₂
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Requires caution due to pyrophoricity after activation
Safety
GHS Hazard Statements
H271 (75.5%): May cause fire or explosion; strong Oxidizer [Danger Oxidizing liquids; Oxidizing solids]
H272 (21.6%): May intensify fire; oxidizer [Danger Oxidizing liquids; Oxidizing solids]
H319 (19.3%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
P210, P220, P264+P265, P280, P283, P305+P351+P338, P306+P360, P337+P317, P370+P378, P371+P380+P375, P420, and P501
Storage:
Store in a cool, dry place in tightly sealed container. Avoid exposure to hydrogen outside of controlled conditions.