Sunset yellow FCF

Synthetic yellow azo dye

Chemical structure of Sunset Yellow FCF

Sunset Yellow FCF, also known as FD&C Yellow 6, is a synthetic azo dye used as a food coloring. It is a water-soluble dye that imparts a yellow-orange hue to various products. This dye is commonly used in the food industry, cosmetics, and pharmaceuticals.

Chemical Properties

Sunset Yellow FCF is chemically classified as an azo compound, which means it contains the functional group R-N=N-R', where R and R' can be either aryl or alkyl. The chemical formula for Sunset Yellow FCF is C₁₆H₁₀N₂Na₂O₇S₂. It is known for its vibrant color and stability in various pH conditions.

Uses

Sunset Yellow FCF is widely used in the food industry to color products such as candies, desserts, snacks, and beverages. It is also used in cosmetics to add color to products like lipsticks and blushes. In the pharmaceutical industry, it is used to color pills and syrups.

Food Industry

In the food industry, Sunset Yellow FCF is often used in combination with other dyes to achieve a wide range of colors. It is particularly popular in products that require a bright, appealing appearance, such as soft drinks, gelatin desserts, and confectionery.

Cosmetics

In cosmetics, Sunset Yellow FCF is used to provide a warm, orange hue to products. It is often found in lipsticks, nail polishes, and eye shadows.

Pharmaceuticals

In the pharmaceutical industry, Sunset Yellow FCF is used to color tablets and liquid medications. It helps in the identification of drugs and enhances their aesthetic appeal.

Health and Safety

Ball-and-stick model of Sunset Yellow FCF

The safety of Sunset Yellow FCF has been evaluated by various health authorities. It is approved for use in many countries, including the United States and the European Union, but with certain restrictions on its concentration in food products.

Regulations

In the European Union, Sunset Yellow FCF is designated as E110. The U.S. Food and Drug Administration (FDA) has approved it as a food additive under the name FD&C Yellow 6. However, some studies have suggested potential health concerns, leading to ongoing research and debate about its safety.

Potential Health Concerns

Some studies have linked azo dyes like Sunset Yellow FCF to hyperactivity in children, leading to recommendations for caution in its use. Additionally, individuals with allergies to azo compounds may experience adverse reactions.

Environmental Impact

The production and disposal of synthetic dyes like Sunset Yellow FCF can have environmental impacts. Efforts are being made to develop more sustainable and eco-friendly alternatives.

Related Pages

• Azo compound
• Food coloring
• FD&C Yellow 5
• Cosmetic industry