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    Nickel Azo Yellow (Extinct Version)

    PG10

    Alternate Names

    Gold Bronze

    Nickel Monazo Yellow

    Indian Yellow Substitute

    Quindo Green Gold

    Nickel Azo Yellow

    Pigment Description

    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.

    Resources

    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.

    Stats

    Lightfastness

    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.

    Transparency

    Transparent

    Toxicity

    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

    Chemical Name

    monoazo, hetrocytlic hydroxy

    with PG10 (Nickel Azo Yellow (Extinct Version))
    No single-pigment Oil found with PG10

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