Cobalt ultramarine

Description

A synthetic cobalt blue pigment that is the same shade as ultramarine blue (Mayer 1969).

Synonyms and Related Terms

ultramarino de cobalto (Esp., Port.); cobalto oltremare (It.); Gahn's blue

Risks

• 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.

Resources and Citations

• Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)