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Sudan I is a synthetic dye that belongs to the class of azo dyes, characterized by their vibrant red or orange hues. It is primarily used in industrial applications, such as coloring oils, waxes, plastics, and polishes. Its chemical name is 1-phenylazo-2-naphthol, and its molecular formula is C16H12N2O.
Color: Orange-red
Solubility: Soluble in oils and organic solvents, but not in water.
Usage: Industrial dyeing and coloring, sometimes illicitly used in foods.
Sudan I, a synthetic azo dye, has a range of industrial applications, although its use in food and cosmetics is strictly prohibited due to health concerns. Below are the main applications of Sudan I:
Dyeing Oils and Waxes: Sudan I is commonly used to color oils, waxes, and certain types of plastics. It imparts a vibrant red or orange color, making it useful for non-food-related products.
Coloring Polishes: The dye is often added to shoe polishes, furniture polishes, and other similar products, where the color is desirable for aesthetic purposes.
Textile Industry: Sudan I has been used historically in textile industries to color fabrics, though its use has decreased due to safety concerns.
Food Coloring: In some countries, Sudan I has been illegally used to color spices (like chili powder), oils, and even beverages to enhance their appearance. This is highly unsafe, as Sudan I is not approved for food use due to its potential carcinogenic properties.
Potential Health Risks: Its use in food can lead to health risks, including cancer, which has led to its banning in food applications in many countries.
Plastic Industry: Sudan I has been employed in the production of plastics, providing coloration for plastic products.
Cosmetics and Personal Care: Although not approved in many regions, Sudan I may occasionally be found in certain cosmetic products, including lipsticks or nail polishes.
Due to its toxic and carcinogenic properties, Sudan I's use in consumer products is strictly regulated, and many applications have been phased out. It is important to ensure that products, especially food-related items, do not contain Sudan I to avoid potential health risks.
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