Solvent black 3 (inci)

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Synonym(s)

Black 2B; CAS number: 4197-25-5; CI NO 26150; Fastblack HBN; Fatblack HB; I 26150; Nsc 11239; Sot-black 6; Sudanblack; Sudan Black B; Typogenblack

Definition
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Solvent black 3 is a black azo dye with the empirical formula: C29H24N6, which is used as a hair dye in cosmetics. Solvent black 3 is insoluble in water but soluble in ethanol, acetones and other organic solvents. Histochemically, the dye is used to stain chromosomes, phospholipids and lipids.

Note(s)
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The framework conditions for colouring agents which may be used in cosmetics are defined in the EC Cosmetics Regulation (1223/2009) Annex III.

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Last updated on: 29.10.2020