Stannous chloride

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Description

White crystalline, hygroscopic mass. Stannous chloride is used as a mordant for dyeing cellulosic fibers, especially with cochineal, and as a base for lake pigments. Stannous chloride is not used for wools because it makes the fibers brittle. It is also used to galvanize tin and to silver mirrors. Stannous chloride acts as a light sensitizing agent for glass, paper, and plastics.

Synonyms and Related Terms

tin crystals; tin salt; tin dichloride; tin protochloride; tin (II) chloride; tin chloride

Other Properties

Soluble in water, alkalis, tartaric acid, ethanol. Insoluble in mineral spirits.

Composition SnCl2
CAS 7772-99-8
Melting Point 246.8
Density 3.95
Molecular Weight mol. wt. = 189.59

Hazards and Safety

Toxic by ingestion. Skin contact causes irritation.

Fisher Scientific: MSDS

Sources Checked for Data in Record

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 8939
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
  • Palmy Weigle, Ancient Dyes for Modern Weavers, Watson-Guptill Publications, New York, 1974
  • Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
  • John and Margaret Cannon, Dye Plants and Dyeing, Herbert Press, London, 1994