Osmium tetraoxide for microscopy, Sigma-Aldrich®

Supplier: MilliporeSigma
Danger

Synonyms: Osmic acid anhydrideOsmic acidOsmium (VIII) oxide

1.24505.0500 1.24505.0001 1.24505.0500 1.24505.0001
EM1.24505.0500CS 51896.95 CAD
EM1.24505.0500 CA1.24505.0001 CA1.24505.0500 EM1.24505.0001
Osmium tetraoxide for microscopy, Sigma-Aldrich®
Osmium tetraoxide
Formula: O₄Os
MW: 254.23 g/mol
MDL Number: MFCD00011150
CAS Number: 20816-12-0
UN: 2471
ADR: 6.1,

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Specification Test Results

Solubility 65 g/l (20 °C)
Melting Point 40 °C
Molar Mass 254.19 g/mol
Bulk Density 1500 kg/m3
Boiling Point 130 °C (1013 hPa)
Vapor Pressure 10 hPa (20 °C)
Density 4.91 g/cm3 (20 °C)
pH 6 (25 g/l, H2O, 20 °C)

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