Ferric ammonium sulfate
Pale lilac crystals that effloresce in air. Ferric ammonium sulfate is used in toning solutions for black and white photo processing. It is also used as a mordant in textile dyeing.
Synonyms and Related Terms
ferric alum; iron ammonium sulfate; ferric ammonium alum; ammonium ferric sulfate; ferric ammonium sulphate (Br.)
Soluble in water. Insoluble in ethanol.
Hazards and Safety
Skin contact, inhalation or ingestion may cause slight irritation.
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