Perylene Vermilion
A scarlet with moderate lightfastness, not lightfast enough in tints to suit our liking. Not recommended.
Monona Rossol notes that it has an anthraquione-like structure (potential for being a carcinogen) as well as a risk for inhaling the dust. Please see her work for more.
PR123 pigment data from David G. Myers, The Color of Art Pigment Database, Artiscreation.com,
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.
Very Good but not Excellent, may fade in tints
Only ASTM II, with possibly as low as BWS 6 (moderate) lightfastness in tints.
Semi-Opaque
Thought to be category of lesser concern
Treat all pigments and paints with studio safety protocols.
anthraquinone, perylene
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