Solvent Orange 107 is an organic dye that belongs to the class of azo dyes. It is commonly used as a coloring agent in various industries, including textiles, plastics, and inks. Here are some of its basic properties:

Chemical formula: C16H11N3O3S
Molecular weight: 321.34 g/mol

Physical properties:

• Appearance: Solvent Orange 107 is a reddish-orange powder or solid.
• Solubility: It is soluble in organic solvents such as acetone, ethanol, and chloroform.
• Melting point: The melting point of Solvent Orange 107 is typically around 215-218 °C.

Optical properties:

• Absorption maximum: The dye exhibits maximum absorption in the visible range of the electromagnetic spectrum, typically around 470-480 nm, resulting in an orange color.
• Lightfastness: Solvent Orange 107 has good lightfastness, meaning it is resistant to fading when exposed to light.

Applications:

• Textiles: Solvent Orange 107 is used for dyeing various fibers, including polyester, nylon, and acrylic.
• Plastics: It is employed as a colorant in plastic products, providing vibrant orange hues.
• Inks: The dye is used in the formulation of inks, particularly in solvent-based systems.