Platinum(IV) oxide monohydrate
Platinum(IV) oxide monohydrate (CAS: 12137-21-2, Formula: PtO2·H2O) is a platinum compound with a molecular weight of 245.09 g/mol. Supplied by Tech Serve Solutions as a powder with an assay of 99.9% trace metals basis, it finds use as a catalyst and in materials science applications. This oxide is a valuable reagent in chemical synthesis and inorganic chemistry.

Catalysis
Platinum(IV) oxide monohydrate is utilised as a catalyst in various chemical reactions, owing to the inherent catalytic properties of platinum.
Chemical Synthesis
This compound serves as a precursor or reagent in the synthesis of other platinum-containing compounds and complex molecules.
Materials Science
It is employed in materials science for the development of novel materials, potentially including advanced ceramics or coatings with specific properties.
Inorganic Chemistry
As a well-defined inorganic platinum compound, it is a subject of study and application within inorganic chemistry research.
| Molecular weight | 245.09 |
|---|---|
| Linear formula | PtO2·H2O |
| Assay | 99.9% trace metals basis |
| Form | powder |
| Composition | Pt, 78-80% |


Hazard statements
- H272May intensify fire; oxidiser
- H319Causes serious eye irritation
Precautionary statements
- P220Keep away from clothing and combustible materials
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 1479 5.1 / PGII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | O,Xi |
| Risk statements (R) | 8-36 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Platinum(IV) oxide monohydrate used for?
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Platinum(IV) oxide monohydrate is primarily used as a catalyst in chemical synthesis, in materials science, and within inorganic chemistry research.
What is the CAS number and formula for Platinum(IV) oxide monohydrate?
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The CAS number is 12137-21-2 and the chemical formula is PtO2·H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Platinum(IV) oxide monohydrate with an assay of 99.9% trace metals basis. TSS does not represent this product as USP, BP, or EP grade.
What are the safety considerations for Platinum(IV) oxide monohydrate?
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This compound is an oxidiser (H272) and causes serious eye irritation (H319). Appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, should be used. Handle with care, avoiding contact with combustible material and ensuring adequate ventilation.
How is Platinum(IV) oxide monohydrate packed and shipped?
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This product is classified under UN 1479, Hazard Class 5.1, Packing Group II, indicating it is shipped as an oxidiser.
How can I request a quote or sample?
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To request a quote or a sample, please contact our sales team through the TSS website or by phone.
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