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Silicon Dioxide

Transparent, tasteless crystals found in nature as agate, amethyst, chalcedony, cristobalite, flint, sand, QUARTZ, and tridymite. The compound is insoluble in water or acids except hydrofluoric acid.

Year introduced: 1994

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Subheadings:

Tree Number(s): D01.578.750, D01.650.550.825, D01.837.725

MeSH Unique ID: D012822

Registry Number: 7631-86-9

Entry Terms:

  • Dioxide, Silicon
  • Cristobalite
  • Silica
  • Tridymite
  • Quso G-32
  • Quso G 32
  • Quso G32
  • G32, Quso
  • Aerosil
  • Aerosil 380
  • 380, Aerosil

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