Color Swatch created using heavy application/diluted application and was applied on cold press watercolor paper (150 lb) material.
Color Description
Based on several modern pigments, Schmincke's version of this historic hue is non-toxic and non-polluting, with good lightfastness.
This color contains the following pigments:
PY108—Anthrapyrimidine Yellow
Pigment Type
organic synthetic, anthraquinone, vat
Chemical Name
n/a
Chemical Formula
C30H15N3O4
Properties
Anthrapyrimidine Yellow is a transparent vat pigment with an average drying time.
Permanence
Anthrapyrimidine Yellow has excellent lightfast qualities.
Toxicity
Anthrapyrimidine Yellow is not considered toxic.
History
Unknown.
Alternate Names
Anthrapyrimidine.
PY150—Nickel Azo Yellow
Pigment Type
inorganic
Chemical Name
nickel azomethine yellow
Chemical Formula
C30H18Cl2N6NiO4
Properties
Nickel Azo Yellow is a transparent, moderately staining yellow pigment with high tinting strength. It is considered a good color match in botanical and landscape painting for natural gamboge (NY24), a historic yellow pigment with fair to poor lightfastness.
Permanence
Nickel azomethine yellow has excellent lightfastness.
Toxicity
Nickel azo yellow pigment is mildly toxic, and is often labeled as hazardous. Avoid respiratory and skin exposure to pigment dust. It should be disposed of properly with other hazardous wastes, not washed down the sink. However, the contribution of artist pigments to levels of nickel metal complexes in the environment is almost insignificant. Nickel is often present in the environment naturally. Nickel is used heavily in steelmaking, and in many industrial processes and products.
History
Nickel azomethine yellow has been developed as an artist pigment becasue it is a close match for gamboge, a historic yellow.
Alternate Names
Gamboge Hue, New Gamboge.
PY153—Nickel Dioxine Yellow
Pigment Type
organic synthetic
Chemical Name
n/a
Chemical Formula
C28H12N2O2
Properties
Nickel dioxine yellow is a semi-transparent, lightly staining yellow pigment with high tinting strength, although less than that of the diarylides. It is considered a good color match for Indian
Yellow, a historic pigment that is no longer available. Drying time is average.
Permanence
Nickel Dioxine Yellow has excellent lightfastness.
Toxicity
Nickel metal is toxic and may irritate skin.
History
Unknown.
Alternate Names
Dioxine Yellow Nickel.
