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Tin is a chemical element with the symbol Sn (for Latin: stannum) and atomic number 50, is a post-transition metal in group 14 of the periodic table. It is obtained chiefly from the mineral cassiterite, which contains tin dioxide, SnO2.
T 1777 (OTTO) Tin granular, GR 99%+ Cas 7440-31-5 - used for joining pipes or electric circuits.