coal tar

Each week, we are emailed with questions from our natural dye community asking simple and complex questions that we thought might be worth sharing. Here are a handful from this week answered by natural dyer in chief, Kathy Hattori, Founder of Botanical Colors: Are all synthetic dyes made from petroleum? Synthetic dyes are a huge category of colorants and they are derived mainly from benzene or benzene-like chemicals, which are among the primary petrochemicals. When they were first developed, they were called coal-tar dyes as they were developed from coal. Check out this article on our blog that covered this … Read more