Ammonium hexachloroosmate(IV)
Ammonium hexachloroosmate(IV), CAS 12125-08-5, with the linear formula (NH₄)₂OsCl₆ and a molecular weight of 439.02 g/mol, is a chemical compound supplied by Tech Serve Solutions. Typically supplied as a powder in reagent grade, it serves as a precursor in various chemical syntheses and research applications, particularly within materials science and metal chemistry. Its properties make it valuable for developing new materials and catalysts.
- IUPAC
- Ammonium osmium chloride,Osmium(IV)-ammonium chloride
- Synonyms
- Ammonium osmium chlorideOsmium(IV)-ammonium chloride

Precursor in Osmium Chemistry
Ammonium hexachloroosmate(IV) acts as a key starting material for synthesising various osmium-containing compounds. Its controlled reactivity allows for the introduction of osmium into complex molecular structures.
Materials Science Research
This compound is utilised in materials science for the development of novel materials with specific electronic or catalytic properties. Its use can lead to advancements in areas like solid-state chemistry and coatings.
Catalysis Development
In catalysis research, ammonium hexachloroosmate(IV) can be employed to prepare osmium-based catalysts. These catalysts are investigated for their efficiency in various organic transformations.
| Molecular weight | 439.02 |
|---|---|
| Linear formula | (NH4)2OsCl6 |
| Grade | reagent grade |
| Form | powder |
| Density | 2.93 g/mL at 25 °C(lit.) |
| Melting point | 170 °C (subl.)(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 Ammonium hexachloroosmate(IV) used for?
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Ammonium hexachloroosmate(IV) is used as a precursor in osmium chemistry, in materials science research, and for the development of osmium-based catalysts.
What is the CAS number and chemical formula for Ammonium hexachloroosmate(IV)?
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The CAS number is 12125-08-5, and the linear chemical formula is (NH₄)₂OsCl₆.
What grade and purity does Tech Serve Solutions supply for Ammonium hexachloroosmate(IV)?
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Tech Serve Solutions supplies Ammonium hexachloroosmate(IV) in reagent grade. The specific assay is not detailed here, and TSS does not represent this product as USP, BP, or EP grade.
How should Ammonium hexachloroosmate(IV) be handled safely?
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Handle Ammonium hexachloroosmate(IV) with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. It is classified as a skin irritant (H315), eye irritant (H319), and respiratory irritant (H335).
How is Ammonium hexachloroosmate(IV) packed, shipped, and exported?
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Ammonium hexachloroosmate(IV) is carefully packed for domestic and international shipment, adhering to all relevant regulations for chemical export. Contact TSS for specific shipping and export details.
How can I request a quote or sample for Ammonium hexachloroosmate(IV)?
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To request a quote or a sample of Ammonium hexachloroosmate(IV), please contact the Tech Serve Solutions sales team through our website or direct inquiry channels.
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