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Stannous Oxide

CAS No.: 21651-19-4
Molecular Weight: 134.71 g/mol
Chemical Formula SnO

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. It is used as a reducing agent, preparation of stannous salts, in dyeing. It has a minor use as an esterification catalyst. Tin oxide is insoluble in water. Tin Oxide is also available as pellets and tablets.

Specificaions of Stannous Oxide, Tin oxide:
CAS Number:21651-19-4
Chemical Formula: SnO
Appearance: Blue-black Crystal Powder
Assay SnO(%): 98% minimum
HCl-Insoluble Matter (%): 0.015 maximum
Chloride (%): 0.03 maximum
Ammonium Salt (%): 0.03 maximum
Sulphate (%): 0.01 maximum
Pb (%): 0.005 maximum
Fe (%): 0.005 maximum.