Description
CI 10316 is a colorant classified chemically as a nitro colorant, according to its chemical description ("classed chemically as a nitro colour"). Its chemical name in the entry is Disodium 5,7-dinitro-8-oxidonaphthalene-2-sulphonate and its insoluble barium, strontium and zirconium lakes, salts and pigments, and the associated SCCS opinions are titled "Opinion on Acid Yellow 1". Its declared technical function is COLORANT and HAIR DYEING: cosmetic colorants are substances intended to impart color to the finished product, to hair fibrous materials or to the skin, while hair dyeing agents are incorporated specifically into formulations intended to modify hair color. It is described as a coloring material of yellow shade.
Under Regulation (EC) No 1223/2009 on cosmetic products, CI 10316 appears in Annex IV (list of colorants permitted in cosmetic products), under reference 3. In the maximum concentration field of this entry it literally states: "Not to be used in eye products". The corresponding Annex IV/3 entry is identified under the name CI 10316, while the name Acid Yellow 1 appears associated with restriction III/214 within the European Union cosmetic regulatory system. No CMR classification is recorded for this entry.
Cosmetic colorants are incorporated into topical formulations to impart or modify the chromatic appearance of the product or of the substrate of application. Their use in the European Union is governed by the corresponding entries of Annex IV and, where applicable, Annex III, in accordance with the restrictions cited (IV/3 for CI 10316 and III/214 for Acid Yellow 1). The information presented is for technical reference only and does not constitute a recommendation for use or an efficacy claim.