Amidonaphthol red is a red dye that is commonly used in the textile industry to color fabrics and fibers. There are several synonyms for this dye, including Acid Fast Red A, Amidoazobenzene, and Azoic Diazo Component 15. Acid Fast Red A is often used to dye wool, silk, and nylon, while Amidoazobenzene is commonly used in the production of printing inks. Azoic Diazo Component 15 is often utilized in the production of plastics. These synonyms are used interchangeably and refer to the same red dye that is widely used in various industries for coloring purposes.