Tin(II) oxide (SnO)-Powder introduce:
Tin(II) oxide (stannous oxide) is a compound with the formula SnO. It is composed of tin and oxygen where tin has the oxidation state of +2. There are two forms, a stable blue-black form and a metastable red form.
Molar mass：134.709 g/mol
Appearance：black or red powder when anhydrous, white when hydrated
Melting point：1,080 °C (1,980 °F; 1,350 K)
Solubility in water：insoluble
Magnetic susceptibility (χ)：−19.0·10−6 cm3/mol
The dominant use of stannous oxide is as a precursor in manufacturing of other, typically trivalent, tin compounds or salts. Stannous oxide may also be employed as a reducing agent and in the creation of ruby glass. It has a minor use as an esterification catalyst.
Cerium(III) oxide in ceramic form, together with Tin(II) oxide (SnO) is used for illumination with UV light.
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