This color contains the following pigments:
Isoindolinone Yellow is a high performance pigment of excellent brightness and an average drying time.
Isoindolinone Yellow has excellent lightfastness.
Isoindolinone Yellow is not considered toxic.
The first isoindoline pigments were patented in 1946, and commercial production of pigments in this group began in the 1960s. Several isoindoline yellow pigments are available.
bismuth orthovanadate or bismuth vanadium oxide
Bismuth Yellow is an intense, light value, semi-opaque yellow pigment with good tinting strength.
Bismuth Yellow has excellent lightfastness.
Bismuth orthovanadate is harmful if swallowed. It is irritating to the eyes, respiratory system, and skin. Exposure may cause conjunctivitis, rhinitis, and reversible irritation of the respiratory tract. More severe cases may cause bronchitis, bronchospas
Bismuth orthovanadate occurs naturally in several minerals. Although it was synthesized in the 1920s, it was not developed as a commercial pigment until the 1970s.