Sodium 4,6-dihydroxy-2-naphthalenesulfonate(CAS: 83732-66-5)

Sodium 4,6-dihydroxy-2-naphthalenesulfonate, also known as sodium 2-hydroxy-4,6-disulfonated naphthalene, is a white crystalline compound with a molecular formula of C10H6NaO5S2. It is soluble in water and has acidic properties.

Sodium 4,6-dihydroxy-2-naphthalenesulfonate is primarily used as a pH indicator, a raw material for organic synthesis, and in pharmaceuticals for its buffering and stabilizing properties. It is also utilized in the textile, dye, and printing industries.

Sodium 4,6-dihydroxy-2-naphthalenesulfonate is generally considered safe under normal handling conditions. However, it is recommended to use appropriate personal protective equipment, such as gloves and goggles, to prevent skin contact and eye irritation. Avoid inhaling dust or fumes.

Sodium 4,6-dihydroxy-2-naphthalenesulfonate should be stored in a cool, dry place away from direct sunlight and heat sources. It should be kept in a sealed container to prevent moisture absorption. Avoid storing it near incompatible substances, such as strong acids, bases, or flammable materials.