What Is C.I. Acid Yellow 9?

Learn about the colorant characteristics of C.I. Acid Yellow 9 and its usage in personal care products.

What Is C.I. Acid Yellow 9? Brandon Jones / IngredientReviewer

Last Updated: October 2, 2024

Written by Brandon Jones

What Is C.I. Acid Yellow 9?

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Fast Yellow AB is a type of coloring substance that can be used in cosmetics to give them a yellow color. It comes in a solid form and is made up of an organic sodium salt called 4-aminoazobenzene-3,4'-disulfonic acid, which has been combined with sodium ions to replace its hydrogen atoms. In addition to being used as a cosmetic colorant, it can also be used as a biological stain.

What is the purpose of C.I. Acid Yellow 9 in personal care products? It is used for its colorant characteristics. C.I. Acid Yellow 9 provide color or tint.

Names and identifiers that we found for this substance include: C.I. Acid Yellow 9, Fast Yellow AB, "C.I. Acid Yellow 9, disodium salt", Ci 13015, Disodium 4-aminoazobenzene-3,4′-disulfonate, 4-Aminoazobenzene-3,4'-disulfonic acid disodium salt, and Disodium 2-amino-5-[(4-sulfonatophenyl)diazenyl]benzene-1-sulfonate.

What Are Colorant Ingredients?

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C.I. Acid Yellow 9 has colorant characteristics.

Colorant ingredients are used in cosmetic products to give them a specific color or tint. They can be derived from natural sources such as plants or synthetic sources and come in various forms such as powders, liquids, and pastes. These ingredients are added to change the natural color of the product to a desired shade.

Colorants can be added to various other products, including food. In food products, colorants enhance their appearance and make foods look more appealing. For example, a bright red colorant may be added to strawberry-flavored yogurt to make it look like fresh strawberries.

Safety

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Remember, always read and follow the instructions provided on product labels carefully. If you have any questions or concerns about using a product containing various ingredients, consult with your doctor or healthcare provider before use.