GOLDEN ARTIST COLORS – Heavy Body Acrylic – C.P. Cadmium Red Medium #1100 Series 9 – 59ml Tube twin warm glow that closely resembles warm glow that closely resembles that of the sun one of the beauties of perfection is that the closer you come to it Cadmium Red Medium became the most widely used red shortly after it was synthesized in 1907 because it offered greater permanence and intensity than the mostly plant based reds used up to that time Pigment Classification: Synthetic InorganicColor Index Name: PR 108Color Index Number: 77202Chemical Description: Cadmium (Sulfo Selenide) (CC)Opacity Transparency: OpaqueLightfastness Rating: IPermanency: Not for exterior useMunsell Notation Listing: Hue 7