Cosmetic ingredient (INCI)
HC Blue No. 4
Used in cosmetic products as hair dyeing. 9,10-anthracenedione, N-methyl-1,4-diamino-, product with chloromethyloxirane and 2-aminoethanol.
Prohibited in EU cosmetics
EU Cosmetics Regulation (EC) No 1223/2009, Annex II/1256.
The chemical behind this ingredient
Structure, properties, safety data and price information live on the chemical page.
This ingredient is not linked to a single chemical in our database, which is common for blends, extracts and polymers. Post a buy request with the INCI name and suppliers will quote.
Frequently asked questions
What is HC Blue No. 4 used for in cosmetics?
HC Blue No. 4 is used in cosmetic products as hair dyeing. 9,10-anthracenedione, N-methyl-1,4-diamino-, product with chloromethyloxirane and 2-aminoethanol.
Is HC Blue No. 4 restricted in cosmetics in the EU?
HC Blue No. 4 is listed in the annexes of EU Cosmetics Regulation (EC) No 1223/2009: Annex II/1256 (prohibited in eu cosmetics). Always check the full annex entry for the conditions of use.
What is the CAS number of HC Blue No. 4?
HC Blue No. 4 is listed with CAS number 158571-57-4.