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Compounds of Osmium

Compounds of Osmium

(Summary description)The chemical formula is OsO2, there are two crystal forms (1) The molecular weight is 222.20, it is an orange-brown crystal, and the relative density is 11.37 (21.4°C).

Compounds of Osmium

(Summary description)The chemical formula is OsO2, there are two crystal forms (1) The molecular weight is 222.20, it is an orange-brown crystal, and the relative density is 11.37 (21.4°C).

Information

Osmium dioxide
The chemical formula is OsO2, there are two crystal forms (1) The molecular weight is 222.20, it is an orange-brown crystal, and the relative density is 11.37 (21.4°C). When heated to 500°C, 30% is converted into osmium tetroxide. Insoluble in water and acids; (2) molecular weight 222.20, black powder, relative density 7.71 (21 ℃), heated to 350 ~ 400 ℃ into red-brown crystals. Insoluble in water, soluble in dilute hydrochloric acid. It is obtained by heating osmium powder in oxygen or by heating and decomposing osmium tetroxide.

Best osmium pellet

osmium tetroxide
The chemical formula is OsO4, the molecular weight is 254.20, and the CAS number is 20816-12-0. It is a white or light yellow crystal with a odor similar to chlorine. , soluble in ethanol, ether, carbon tetrachloride, ammonia water, the density is 4.91g/cm3, mainly used for catalysts, oxidants, chemical reagents, and also used in medicine and the manufacture of incandescent lamp gauze and so on.
osmium disulfide
The chemical formula is OsS2, the molecular weight is 254.33, it is a black cubic crystal, it is decomposed by heat, the density is 9.47g/cm3, it is insoluble in water and alkalis, and it is soluble in nitric acid.
osmium ditelluride
The chemical formula is OsTe2, and the molecular weight is 443.40. It is a gray-black crystal with a melting point of about 600 °C. It is insoluble in acid and decomposes in the presence of nitric acid.

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