Alizarin violet
(Redirected from Violet madder-lake)
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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.)
Physical and Chemical Properties
Not lightfast
Composition | C28H22N2O8S2 |
---|---|
CAS | 6408-63-5 |
Resources and Citations
- 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