Potassium dichromate is a chemical compound with the formula K2Cr2O7. It appears as bright orange crystals and is commonly used in laboratories and industrial applications. This compound is known for its strong oxidizing properties, making it useful in various chemical reactions, including dyeing and tanning processes. In addition to its industrial uses, potassium dichromate is also employed in analytical chemistry for quantitative analysis. However, it is important to handle this substance with care, as it is toxic and a known carcinogen. Proper safety measures should be taken when working with potassium dichromate to avoid health risks.