Osmium tetraoxide 99.9+% (trace metals basis)

Supplier: Thermo Scientific
Danger

Synonyms: Osmium (VIII) oxide, Osmic acid anhydride, Osmic acid

191180010 191181000 191182500 191185000 191180050
ACRO191180010EA 479 GBP
ACRO191180010 ACRO191181000 ACRO191182500 ACRO191185000 ACRO191180050
Osmium tetraoxide 99.9+% (trace metals basis)
Osmium tetraoxide
Formula: O₄Os
MW: 254,23 g/mol
Boiling Pt: 130 °C (760 mmHg)
Melting Pt: 40…42 °C
Density: 1,04 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00011150
CAS Number: 20816-12-0
EINECS: 244-058-7
UN: 2471
ADR: 6.1,I
Merck Index: 13,06962

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Specification Test Results

Appearance Yellow Crystals
Melting point 40 to 42°C
Heavy metals ≤0.005 %
Solubility Passes test
Purity ≥99.90 % (Metal purity)
Non-volatile matter ≤0.2 %
Osmium (Os) 74.2 to 75.4 %
Ruthenium (Ru) ≤0.01 %

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