Anthraquinone Red
Perylene Scarlet
With a name like Perylene Red or Anthraquinone Red, PR149 shares a name with several other paints. It is a transparent crimson. Not recommended due to moderate lightfastness- might go as low as a six.
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.
PR149 pigment data from David G. Myers, The Color of Art Pigment Database, Artiscreation.com,
Spurgeon, Tad. Living Craft: A Painter's Process. Mt. Airy, Philadelphia, PA: Zoetrope, 2018. Newer version available here: https://www.thomaskitts.com/page/36804/tad-spurgeons-living-craft,
Information about PR149 from Bruce MacEvoy, Handprint Guide to Watercolors, General information about this class of pigments from Handprint,
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.
Good but not Excellent
Not lightfast enough for our liking, some list as ASTM II, may only be somewhat lightfast in tints (BWS 6).
Semi-Transparent
Previously thought to be in the category of Low Concern, new research suggests this may be carcinogenic.
Probably carcinogenic. Its structure is similar to other anthraquinones that have been listed as probably carcinogenic (see Monona Rossol's research available upon request here for more information.Treat all pigments and paints with studio safety protocols.
anthraquinone, perylene
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