Acid Yellow 3
Used in cosmetic products as hair dyeing. Acid Yellow 3 is a mixture of the sodium salts of the mono- and disulfonic acids of 2-(2-quinolyl)-1H-indene-1,3(2H)-dione. It is principally disulfonated, similar to CI 47005 and Ki203, whereas Yellow 10 is principally monosulfonated. (To identify the disulfonated colorant allowed for use in the European Union (EU), the INCI Name CI 47005 (q.v.) must be used, except for hair dye products).
The chemical behind this ingredient
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IUPAC name: 2-(1,3-dioxo-5-sulfoinden-2-yl)quinoline-6-sulfonic acid
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Frequently asked questions
What is Acid Yellow 3 used for in cosmetics?
Acid Yellow 3 is used in cosmetic products as hair dyeing. Acid Yellow 3 is a mixture of the sodium salts of the mono- and disulfonic acids of 2-(2-quinolyl)-1H-indene-1,3(2H)-dione. It is principally disulfonated, similar to CI 47005 and Ki203, whereas Yellow 10 is principally monosulfonated. (To identify the disulfonated colorant allowed for use in the European Union (EU), the INCI Name CI 47005 (q.v.) must be used, except for hair dye products).
Is Acid Yellow 3 restricted in cosmetics in the EU?
No EU restriction annex is recorded for Acid Yellow 3 in our records. Rules change and differ by market, so always check the current regulation before you formulate.
What is the CAS number of Acid Yellow 3?
Acid Yellow 3 is listed with CAS numbers 38615-46-2, 39354-67-1 and 8004-92-0.
Where can I buy Acid Yellow 3?
Post a buy request for 2-(2'-Quinolyl)-1,3-indandione-5,6'-disulfonic acid with the grade, quantity and destination you need, and matching suppliers will send you quotes.