Chromium potassium sulfate

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Description

Dark, violet crystals used as a hardener in photographic processing solutions. Chromium potassium sulfate is also used in chrome tanning baths for leather and as a mordant for textile dyeing.

Synonyms and Related Terms

potassium chrome alum; chrome alum; potassium chromium sulfate; chrome potash alum

Risks

  • Toxic by inhalation and ingestion.
  • Contact may cause irritation.
  • ThermoFisher: SDS

Physical and Chemical Properties

Soluble in water

Composition CrK(SO4)2.12H2O
CAS 10141-00-1
Melting Point 89 C
Density 1.813 g/ml

Sources Checked for Data in Record

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979

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