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Thallium is a chemical element with symbol Tl and atomic number 81. This soft gray post-transition metal is not found free in nature. (End user certificate required)
T 0690 (OTTO) Thallium granules, 6mm (0.2in) & down, 99.99% (metals basis) Cas 7440-28-0 - used in the electronics industry, and the remainder is used in the pharmaceutical industry and in glass manufacturing.