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12036-02-1

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Basic Information
CAS No.: 12036-02-1
Name: OSMIUM (IV) OXIDE
Molecular Structure:
Molecular Structure of 12036-02-1 (OSMIUM (IV) OXIDE)
Formula: O2Os
Molecular Weight: 222.199
Synonyms: Osmiumdioxide
Density: 11400 kg m-3
Solubility: Slightly soluble in cold water.
Appearance: Black or Yellow-Brown Crystalline Solid
Safety: Brown or black crystals. Amorphous form can explode spontaneously in air. When heated to decomposition it emits toxic fumes of Os. See also OSMIUM and OSMIUM TETROXIDE.
PSA: 34.14000
LogP: -0.23760
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Chemistry

IUPAC Name: Osmium(4+) ; oxygen(2-)
Synonyms of Osmium(IV) oxide (CAS NO.12036-02-1) : Osmium oxide
InChI:InChI=1/C12H16O3/c1-2-3-8-4-7-11(15-8)12-9(13)5-6-10(12)14/h8H,2-7H2,1H3/t8-/m0/s1
CAS NO:12036-02-1
Molecular Formula:O2Os
Molecular Weight :222.2288
Molecular Structure :
Density :11.4 
Appearance: Osmium(IV) oxide (CAS NO.12036-02-1) exists as brown to black crystalline powder
Solubility: Osmium(IV) oxide (CAS NO.12036-02-1) do not dissolve in water, but are soluble in dilute hydrochloric acid.

Production

 Osmium(IV) oxide (CAS NO.12036-02-1) can be obtained by reacting osmium with osmium tetroxide or nitric oxide at about 600 °C. Careful control of the growth process (Chemical transport reaction) over a week-long period allows obtaining brown-colored, single crystals of OsO2 sized up to 7x5x3 mm3.

Safety Profile

Brown or black crystals. Amorphous form can explode spontaneously in air. When heated to decomposition it emits toxic fumes of Os. See also OSMIUM and OSMIUM TETROXIDE.