1 Naphthalenesulfonic Acid, 4 ((2 Hydroxy 6 Sulfo 1 Naphthalenyl)Azo) , Disodium Salt

1. Definition 1 Naphthalenesulfonic Acid, 4 ((2 Hydroxy 6 Sulfo 1 Naphthalenyl)Azo) , Disodium Salt:

1 Naphthalenesulfonic Acid, 4 ((2 Hydroxy 6 Sulfo 1 Naphthalenyl)Azo) , Disodium Salt is a synthetic organic compound commonly used in cosmetics as a colorant and dye. It is also known by the INCI name Acid Red 33.

2. Use:

This compound is primarily used in cosmetics to provide a red or pink color to various products such as lipsticks, blushes, and eyeshadows. It is often used in combination with other colorants to achieve specific shades and hues desired by consumers.

3. Usage 1 Naphthalenesulfonic Acid, 4 ((2 Hydroxy 6 Sulfo 1 Naphthalenyl)Azo) , Disodium Salt:

When using cosmetics containing 1 Naphthalenesulfonic Acid, 4 ((2 Hydroxy 6 Sulfo 1 Naphthalenyl)Azo) , Disodium Salt, it is important to follow the manufacturer's instructions and guidelines. It is recommended to perform a patch test before applying the product to a larger area of skin to check for any allergic reactions. Additionally, it is advised to avoid direct contact with the eyes and mucous membranes to prevent irritation.

4. References:

- Cosmetic Ingredient Review Expert Panel. (2007). Final report on the safety assessment of Acid Red 33. International Journal of Toxicology, 26(3), 151-161.

- Personal Care Products Council. (2018). Summary of Color Additives for Use in the United States in Cosmetics. Retrieved from https://www.personalcarecouncil.org/resource/summary-of-color-additives-for-use-in-the-united-states-in-cosmetics/

- Food and Drug Administration. (2020). Code of Federal Regulations Title 21. Retrieved from https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=74.340