C 8456 (OTTOKEMI) Crystal violet lactone, dye content, 97% Cas 1552-42-7 - use in color-changing printing. It serves as a reversible color system with temperature change.
Crystal Violet lactone (CVL) is a colorless lactone derivative of crystal violet. The CVL compound contains two dimethylaniline groups attached via a tetrahedral carbon atom to 6-dimethylaminophthalide at the third position.