Synthetic Alizarin Lake
PR83:1
Pigment Description
Synthetic Alizarin Lake. This is a less commonly listed variation of Alizarin Crimson, however artiscreation.com posits that perhaps actually it is this variety that is often found in tubes labeled PR83.
A similar health warning to that on PR83 would likely apply here. Though it is a lesser-known hazard, chemically, both artificial and natural alizarins are actually incredibly similar to cancer-causing anthraquinones. It may also cause allergies. Monona Rossol's work on pigments contains more information.
Resources
PR83:1 pigment data from David G. Myers, The Color of Art Pigment Database, Artiscreation.com
Information about PR83 from Bruce MacEvoy, Handprint Guide to Watercolors,
Rossol, Monona. The Artist's Complete Health and Safety Guide. New York, NY : Allworth Press, 2001. The book is rather dated, updated information is available from her website.
Stats
Lightfastness
Poor
See notes on Alizarin Crimson, PR83.
Transparency
Transparent
Toxicity
Hazard, Use more caution
Bears similarity to cancer-causing anthraquinones. While acute toxicity is thought to be low, may also cause allergies. Monona Rossol's pigment datasheets, available on request, contain more information. Treat all pigments and paints with studio safety protocols.
Oil Content
Some sources say high, but by volume it may only be medium-high.
Chemical Name
Synthetic Anthraquinone on Alumina Base, 1,2-dihydroxy anthraquinone lake
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