2-methoxy-4-[(4-nitrophenyl)diazenyl]aniline

2-Methoxy-4-[(4-nitrophenyl)diazenyl]aniline is a synthetic organic compound with the chemical formula C13H12N4O3. It falls under the category of azo dyes and is also known as Sudan I. This chemical is recognized for its bright red-orange color and has been used primarily as a dye in various industrial applications, such as coloring textiles and plastics. However, it's crucial to note that Sudan I, like many azo dyes, has faced regulatory restrictions due to potential health hazards. It has been associated with carcinogenicity and is banned or heavily regulated in several countries as a food additive due to its potential adverse effects on human health.