Alizarin violet

Description

A transparent, violet lake pigment made from precipitating synthetic Purpurin onto an inert base. It has poor color stability and darkens with light exposure.

Synonyms and Related Terms

violeta de alizarina (Esp., Port.); violet d'alizarine (Fr.); violetto d'alizarina (It.)

FTIR (MFA)

Other Properties

Not lightfast

Composition	C28H22N2O8S2
CAS	6408-63-5

Sources Checked for Data in Record

• Reed Kay, The Painter's Guide To Studio Methods and Materials, Prentice-Hall, Inc., Englewood Cliffs, NJ, 1983

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

• Sigma Dyes, Stains and Natural Pigments, Infrared Library, Nicolet, 1991-1995

• Art and Architecture Thesaurus Online, http://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000