Sodium dichromate is a chemical compound with the formula Na2Cr2O7. It appears as an orange-red crystalline solid and is primarily used in various industrial applications, including the production of pigments, leather tanning, and as a corrosion inhibitor. It is a source of chromium, an essential element in many manufacturing processes. This compound is classified as a hazardous material due to its toxicity and potential carcinogenic effects. Proper safety measures must be taken when handling sodium dichromate to prevent exposure. It is important to follow regulations and guidelines to ensure safe use in industrial settings.