Potassium nitridotrioxoosmate(VIII)
Potassium nitridotrioxoosmate(VIII), identified by CAS number 21774-03-8, is a crystalline chemical compound with the linear formula K(NOsO3) and a molecular weight of 291.33 g/mol. It is known for its applications in materials science and metal and ceramic science, serving as a valuable reagent in various research and development settings. This compound exhibits a density of 4.2 g/mL at 25 °C.

Materials Science Research
Potassium nitridotrioxoosmate(VIII) is utilised in advanced materials research, contributing to the development of novel materials with specific electronic or structural properties. Its unique chemical nature makes it a subject of study for innovative material synthesis.
Metal and Ceramic Science
This compound finds application in the field of metal and ceramic science, potentially used in processes related to surface treatment, catalysis, or the creation of specialized ceramic composites. Its role involves facilitating reactions or modifying material characteristics.
Chemical Synthesis Reagent
As a laboratory reagent, Potassium nitridotrioxoosmate(VIII) can be employed in complex chemical synthesis pathways. Researchers may use it as an oxidising agent or a precursor in the preparation of other osmium-containing compounds.
| Molecular weight | 291.33 |
|---|---|
| Linear formula | K(NOsO3) |
| Form | crystalline |
| Density | 4.2 g/mL at 25 °C(lit.) |
| Melting point | >187 °C (dec.)(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 Potassium nitridotrioxoosmate(VIII) used for?
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Potassium nitridotrioxoosmate(VIII) is used in materials science, metal and ceramic science, and as a reagent in chemical synthesis and research.
What is the CAS number and chemical formula for Potassium nitridotrioxoosmate(VIII)?
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The CAS number is 21774-03-8 and the linear formula is K(NOsO3).
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Potassium nitridotrioxoosmate(VIII) in a crystalline form. The specific assay or purity is available on the Certificate of Analysis. We do not represent this product as USP, BP, or EP grade unless explicitly stated in the product documentation.
How should Potassium nitridotrioxoosmate(VIII) be handled?
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Potassium nitridotrioxoosmate(VIII) is classified as a Warning substance. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Recommended personal protective equipment includes a dust mask type N95 (US), eye shields, and gloves. Ensure adequate ventilation and avoid breathing dust.
How is Potassium nitridotrioxoosmate(VIII) packed, shipped, and exported?
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Potassium nitridotrioxoosmate(VIII) is carefully packed to ensure safe transit. Tech Serve Solutions is an experienced global supplier and exporter, adhering to all relevant regulations for international shipping of chemicals.
How can I request a quote or sample for Potassium nitridotrioxoosmate(VIII)?
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To request a quote or sample, please contact our sales team through the website or via direct inquiry, providing your specific requirements and shipping details.
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