Thermochromic pigment, polychromate pigment,Temperature sensitive ink CAS: 51274-00-1 Thermochromic Pigment Powders are formulated for use in non-aqueous ink and coating systems that change from colour to colourless as temperature rises, with the colour reappearing when the temperature is reduced again.Thermochromic Pigment Color: Rose, bright red, , golden red, golden, grass green, blue, ...