Indigo carmine(CAS: 860-22-0)

Indigo carmine is a synthetic organic compound with the chemical formula C16H10N2O2S2Na2. It is a bright blue dye commonly used as a pH indicator and food coloring. Known for its high water solubility and stability, it is widely recognized for its applications in various industries due to its vibrant color and chemical properties.

Indigo carmine is primarily used as a pH indicator in laboratories, food coloring in the food industry, and in pharmaceuticals for tablet coatings. It also finds applications in textile dyeing, water treatment, and as a component in certain medical imaging agents. Its versatility makes it a valuable compound across multiple fields.

Indigo carmine is generally considered safe when used within recommended limits, but it may cause allergic reactions in some individuals. It is approved by regulatory agencies such as the FDA for food use, but proper handling and protective measures should be taken during industrial or laboratory applications to ensure safety.

Indigo carmine should be stored in a cool, dry, and dark place to maintain its stability and color integrity. It is best kept in a tightly sealed container away from moisture and light exposure. Proper storage conditions help preserve its chemical properties and ensure safe handling over time.