Sennelier keeps a watchful eye on the pigments selected for its lines of extra-fine oils, oil sticks, watercolors, soft pastels, and oil pastels. These same pure pigments are now available to artists wishing to master the preparation of their own colors.
Color Swatch created using loose powder and was applied on 4" diameter × ½" deep dish of plastic material.
beta-oxynaphthoic acid lake, calcium salt
Ruby Red is a common name used for the calcium salt of beta-oxynaphthoic acid (BONA) lake pigment PR:48. It is substantially bluer than other shades of PR:48. BONA pigment lakes have high tinting strength.
Beta-oxynaphthoic acid (BONA) lake pigments are more lightfast than their beta-naphthol counterparts. Although their lightfastness makes them the pigment of choice in many applications, they may shift slightly in color or lose intensity under some conditions.
Ruby Red is a lake pigment of beta-oxynaphtholic acid, a dye that resembles the common beta-Naphthol pigments. Beta-oxynaphthoic acid may have been synthesized as early as 1887. Commerical use of BONA lake pigments began in the 20th century. Ruby Red is used in printing and plastics.
Toluidine Red is a semi-opaque, yellowish red pigment with high tinting strength. .
Toluidine Red has very good lightfastness.
Toluidine Red is not regarded as toxic.
Toluidine Red or Toluidine Scarlet has been used in inks, textiles, artist materials, and plastics.
Eljon Red, Eljon Scarlet, Hansa Red, Hansa Scarlet, Kenalake Scarlet, Solintor Scarlet, Sunbrite Red
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