The content of Indole in high temperature coal tar is 0.10-0.16%, which is generally proposed from coal tar and washing oil fractions. The refined Indole can be obtained by cooling, crystallization, centrifugal filtration, and crystallization is carried out to obtain a purified ruthenium having a purity of 99%.

It can be widely used in flavors and fragrances, such as jasmine, orange blossom, daffodil and other floral flavors. It can also be used in flavors such as chocolate, cheese, coffee and other fruity complexes.

Our company provides high-purity Indole. Looking forward to cooperating with you.