Tin(iv) oxide appears as white or off-white crystalline solid or powder.Insoluble in water. Soluble in concentrated sulfuric acid, hydrochloric acid. Occurs in nature as the mineral cassiterite.
Tin(IV) oxide, also known as stannic oxide, is the inorganic compound with the formula SnO2. The mineral form of SnO2 is called cassiterite, and this is the main ore of tin.With many other names, this oxide of tin is an important material in tin chemistry.