Aniline red is a deep red dye that is commonly used in textile and leather industries. This dye is known for its high color intensity and high lightfastness, which makes it an ideal choice for a variety of applications. However, if you are looking for alternatives to aniline red, there are many other red dyes available in the market. Some of the popular synonyms for aniline red include Carmine, Scarlet, Vermilion, and Crimson. Each of these dyes has its unique characteristics, such as tone, saturation, and brightness, making it suitable for specific applications. Therefore, based on your requirements, you can choose the most suitable red dye for your project.