Cobaltous ammonium sulfate

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Ruby red crystals. Cobaltous ammonium sulfate is used as a colorant in glass, glazes, enamels and for cobalt plating.

Synonyms and Related Terms

cobaltous ammonium sulphate (Br.); sulfato de amonio cobalto (Esp.); solfato di ammonio e cobalto (It.)

Other Properties

Soluble in most acids. Insoluble in water.

Composition CoSO4-(NH4)SO4-6H2O
Density 1.902

Hazards and Safety

Skin contact may cause allergies, especially on elbows, neck and ankles. Chronic inhalation may cause asthma. Ingestion may cause vomiting, diarrhea and the sensation of hotness.

Sources Checked for Data in Record

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993