
Acid Black 1
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Acid Black 1 is a chemical compound, a disazo synthetic black dye also known by the name CI 20470, Naphthol Blue Black Chemical Name: disodium;4-amino-5-hydroxy-3-[(4-nitrophenyl)diazenyl]-6-phenyldiazenylnaphthalene-2,7-disulfonate What it is used for and where Cosmetics Restricted cosmetic ingredient as IV/46 a Relevant Item in the Annexes of...