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Germanium dioxide is used in algaculture.A mixture is used as an optical material for optical fibers and optical waveguides It is also used as a catalyst in production of polyethylene terephthalate resin and for production of other germanium compounds. It is used as a feedstock for production of some phosphors and semiconductor materials.
Weast, R.C. Handbook of Chemistry and Physics. , 60th ed.; CRC Press LLC: Boca Raton, FL, 1979; p. B-81
Gefahrenhinweise (EU): H302
Harmful if swallowed.
Wash thoroughly after handling. Do not eat, drink or smoke when using this product. IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. Rinse mouth. Dispose of contents/container in accordance with local/regional/national/international regulations.