Acid Violet 43

• CAT Number: M015671
• CAS Number: 4430-18-6
• Molecular Formula: C21H14NNaO6S
• Molecular Weight: 431.39
• Purity: ≥95%
• Synonyms: SOLWAY PURPLE;SOLWAY PURPLE R;QUINIZARIN BLUE R;Ext.D&Cvioletno.2;;Monosidiumsaltof2-[(9,10-dihydro-4-hydroxy-9,10-dioxo-1-anteracenyl)amino]-5-methyl-benzenesulfonicacid;JAROCOL VIOLET 43;ANTHRAQUINONE IRIS R;CI NO 60730
• Storage: -20°C
• IUPAC Name: sodium;2-[(4-hydroxy-9,10-dioxoanthracen-1-yl)amino]-5-methylbenzenesulfonate
• InChI: InChI=1S/C21H15NO6S.Na/c1-11-6-7-14(17(10-11)29(26,27)28)22-15-8-9-16(23)19-18(15)20(24)12-4-2-3-5-13(12)21(19)25;/h2-10,22-23H,1H3,(H,26,27,28);/q;+1/p-1
• InChIKey: GTKIEPUIFBBXJQ-UHFFFAOYSA-M
• SMILES: CC1=CC(=C(C=C1)NC2=C3C(=C(C=C2)O)C(=O)C4=CC=CC=C4C3=O)S(=O)(=O)[O-].[Na+]

Acid Violet 43 (Cat No.: M015671) is a synthetic azo dye commonly used in cosmetics, hair care products, and personal care formulations for its vibrant violet hue. It is water-soluble and typically used in acidic environments, making it suitable for shampoos, conditioners, and temporary hair dyes. Known for its stability and vivid coloration, Acid Violet 43 is regulated for safe use in specific concentrations. It binds well to keratin, allowing for effective hair tinting, and is also used in textile dyeing and colorant applications.