Crystal Violet Lactone (CVL) CAS 1552-42-7 is a high-performance, widely used leuco dye for pressure-sensitive and thermochromic materials. It is a key color-forming agent that produces an intense blue-violet color when exposed to acid, heat, or pressure. In its neutral state, it is colorless or pale, but upon stimulation, its lactone ring opens to form stable, vivid color compounds, making it ideal for applications like carbonless copy paper and thermal printing.
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