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A colloidal clay from the montmorillonite family. Hectorite is mainly found in the Mohave Desert in California. It is one of the main constituent in bentonite clay. Hectorite is used as an absorbent, stabilizer, and flocculating agent.

Synonyms and Related Terms

hector clay; hectorita (Esp.); Hectorit (Deut.)

Composition Na0.67(Mg,Li)6Si8O20(OH,F)4
CAS 12173-47-6

Hazards and Safety

Inhalation may cause irritation.

Sources Checked for Data in Record

  • Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942
  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 96
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993

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