K2Cr2O7, also known as potassium dichromate, is a bright orange crystalline compound commonly used in laboratories and industrial applications. It consists of two potassium ions, two chromium ions, and seven oxygen atoms. This compound is known for its strong oxidizing properties, making it useful in various chemical reactions and processes. In addition to its use in laboratories, K2Cr2O7 is employed in the production of dyes, pigments, and leather tanning. However, it is important to handle this substance with care, as it is toxic and a known carcinogen. Proper safety measures should always be taken when working with potassium dichromate.