This powder is an extract prepared from steeping the wood of the Acacia catechu tree in hot water until a syrupy liquid emerges. This is dried and then ground into powder. It is common to most parts of India, Burma, Indonesia and Peru. Indian cutch is by far the most beautiful.
It is a good source of colourfast shades of brown - cinnamon, nutmeg, and clove. Cutch extract contains tannin as well as the dye compound catechu.
It is easily soluble in water.
Cutch has excellent light and washfast properties. It requires 20-50% WOF to dye a medium depth of shade.