Tellurium is a chemical element with symbol Te and atomic number 52. It is a brittle, mildly toxic, rare, silver-white metalloid.
T 0225 (OTTO) Tellurium pieces, 99.999% Cas 13494-80-9 - used in cadmium telluride (CdTe) solar panels. T 0225 (OTTO) Tellurium pieces, 99.999% Cas 13494-80-9 - used in the media layer of rewritable optical discs, including ReWritable Compact Discs (CD-RW), ReWritable Digital Video Discs (DVD-RW), and ReWritable Blu-ray Discs.