Chromic sulfate

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Chromic sulfate exists in several hydrated states. Anhydrous chromic sulfate is a violet red powder that is insoluble in water. Hydrated chromic sulfates are water soluble green powders. Chromic sulfate is used for metal plating solutions, tanning leathers, for hardening photographic emulsions, and as a mordant in dyeing and printing textiles. It is also used in green paints, varnishes, inks, and ceramic glazes.

Synonyms and Related Terms

chromium sulfate; chromic sulphate (Br.)


  • Contact causes irritation.
  • Ingestion may be fatal due to renal failure.
  • Fisher Scientific: MSDS

Physical and Chemical Properties

Composition Cr2(SO4)3
CAS 10101-53-8
Melting Point 90 C
Density 1.7 g/ml
Molecular Weight mol. wt. = 392.18
Refractive Index 1.564

Resources and Citations

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 797
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 2287
  • CRC Handbook of Chemistry and Physics, Robert Weast (ed.), CRC Press, Boca Raton, Florida, v. 61, 1980 Comment: ref. index=1.564