Gold Bronze
Nickel Monazo Yellow
Indian Yellow Substitute
Quindo Green Gold
Nickel Azo Yellow
Nickel Azo Yellow. Categorized as a green but sometimes described as yellow shade. A discontinued pigment. If you happen to find old tubes of this color, be advised it requires a Prop 65 Warning. Artiscreation has more information about when it was discontinued. Monona Rossol's work mentions it is similar to cancer-causing dyes and may metabolize to a carcinogen.
PG10 pigment data from David G. Myers, The Color of Art Pigment Database, Artiscreation.com
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.
Excellent
The other Green Gold, PY129 was reactive in several mixing whites, so it may be helpful to do your own tests if working with this pigment (PG10) in oil. In oil, PG10 was rated ASTM I - Excellent.
Transparent
Hazard, may metabolize to carcinogen
PG10 may be related to the “cancer-causing dyes.” The NPIRI notes that it contains nickel, and Monona Rossol’s work on pigments references the potential hazards. She also notes, “… One metabolite is p-chloroaniline, which may be a carcinogen.” More of her research may be found through her site
monoazo, hetrocytlic hydroxy
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