Indanthrone blue
Indanthrone Blue, also known as Pigment Blue 60, is a synthetic organic pigment that belongs to the family of anthraquinone dyes. It is widely used in various applications due to its excellent color properties and stability.
Chemical Properties[edit | edit source]
Indanthrone Blue is a complex polycyclic compound with the chemical formula C28H14N2O4. It is characterized by its intense blue color, which is a result of its extended conjugated system. The pigment is insoluble in water, which contributes to its stability and permanence in various media.
Synthesis[edit | edit source]
The synthesis of Indanthrone Blue involves the condensation of phthalic anhydride with 2-aminoanthraquinone under high-temperature conditions. This process results in the formation of a complex polycyclic structure that is responsible for the pigment's unique properties.
Applications[edit | edit source]
Indanthrone Blue is used in a variety of applications due to its excellent lightfastness and chemical resistance. It is commonly used in the production of paints, inks, and plastics. The pigment is also used in textile dyeing, where it imparts a deep blue color to fabrics.
Industrial Uses[edit | edit source]
In the industrial sector, Indanthrone Blue is valued for its stability and resistance to solvents, acids, and alkalis. This makes it an ideal choice for outdoor applications, such as automotive coatings and architectural paints.
Artistic Uses[edit | edit source]
Artists appreciate Indanthrone Blue for its rich hue and permanence. It is often used in oil painting, watercolor, and acrylic painting. The pigment's ability to maintain its color over time makes it a favorite among professional artists.
Safety and Environmental Impact[edit | edit source]
Indanthrone Blue is considered to be non-toxic and safe for use in consumer products. However, as with all chemical substances, appropriate handling and disposal practices should be followed to minimize environmental impact.
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