Cadmium pigments are extremely lightfast, opaque and suitable for most artistic techniques. However, when cadmium pigments are burned, toxic fumes are released, so the use of these pigments for utilitarian and pictorial purposes, such as colored wall drawings, is prohibited. Furthermore, the use of these pigments for encaustic is not recommended.
Cadmium red n° 2, medium is a very bright and opaque pigment, suitable for tempera, watercolour, oil, acrylics.