Calcium bis{2-[(E)-(2-hydroxy-1-naphthyl)diazenyl]-1-naphthalenesulfonate}(CAS: 1103-39-5)

Calcium bis{2-[(E)-(2-hydroxy-1-naphthyl)diazenyl]-1-naphthalenesulfonate} is a calcium salt of a diazenylnaphthoquinone-2-sulfonic acid. It is a red to purple crystalline compound with low volatility and solubility in water. It is used in various applications due to its photochemical and antioxidant properties.

Calcium bis{2-[(E)-(2-hydroxy-1-naphthyl)diazenyl]-1-naphthalenesulfonate} is primarily used in the pharmaceutical industry as a photodynamic agent, in food packaging as an antioxidant, and in research for its photochemical properties. It is also used in dye-making and as a photoinitiator in polymer chemistry.

Calcium bis{2-[(E)-(2-hydroxy-1-naphthyl)diazenyl]-1-naphthalenesulfonate} is generally considered safe when used according to its intended applications. It is important to follow standard safety guidelines, such as wearing appropriate personal protective equipment and avoiding direct contact with skin or eyes. Proper ventilation should also be ensured during use.

Calcium bis{2-[(E)-(2-hydroxy-1-naphthyl)diazenyl]-1-naphthalenesulfonate} should be stored in a tightly sealed container in a cool, dry place, away from direct sunlight and heat sources. It should be kept at a temperature below 30°C (86°F) to maintain its stability and prevent degradation. Avoiding exposure to moisture and light is crucial to ensure the compound remains effective and safe for use.