Cadmium Red Medium Hue is a more economical and non-toxic alternative to GOLDEN'S single pigment paint. It offers brilliant color but it is slightly more transparent and not as lightfast as actual Cadmium. (Series4) 

Lightfastness: II, Permanency: Very Good, Opacity/Transparency: 3 Semi-Transparent
Pigment: Naphthol AS-D, PR 112, 73915 / Naphthol ITR, PR 5, 12490