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Chroma Atelier Free Flow Artists' Acrylic is a vivid, lightfast, artist-quality acrylic with a wonderful, free-flowing consistency. An exciting substitute for ink, watercolor, or gouache, it's perfect for washes and glazes, mixed media pieces, art journaling, quick studies, and much more.
Color Swatches created using full strength/50/50 and were applied on cold press Bristol board (2 ply) material.
monoazo, organic synthetic
Benzimidazolone Red is a transparent, dull, yellowish red with an average drying time. It lacks the color, purity, and brightness characteristic of most organic synthetic pigments.
Benzimidazolone Red has excellent lightfastness.
Benzimidazolone Red is not considered toxic.
The benzimidazolone group of pigments was developed and patented in 1960 by Hoechst A.G., a German chemical manufacturer that was a forerunner of the pharmaceutical company Aventis.
This Hansa Yellow ranges from reddish yellow to greenish yellow with temperature shifts from cool to warm hues. It has good tinting strength and average to slow drying time.
Hansa Yellow PY74 has excellent lightfastness, particularly in the darker shades. Pigment PY74LF is a proprietary preparation of PY74 for which the manufacturer claims better lightfastness.
Hansa Yellow has no significant acute hazards, though its chronic hazards have not been well studied.
Hansa Yellows were first made in Germany just before WW1 from a series of synthetic dyestuffs called Pigment Yellow. They were intended to be a synthetic replacement for Cadmium Yellow.
Hansa Yellow pigments are marketed under many names, including Arylide Yellow, Brilliant Yellow, Monoazo Yellow, and Permanent Yellow.
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