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CAS 3441-14-3

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Direct Red 23

Description:
Direct Red 23, with the CAS number 3441-14-3, is a synthetic azo dye primarily used in textile and food industries for its vibrant red color. It is characterized by its solubility in water, which makes it suitable for various applications, including dyeing and printing fabrics. The dye exhibits good lightfastness and washfastness, although its stability can vary depending on the specific conditions of use. Direct Red 23 is known for its bright hue and is often employed in the production of colored products, including cosmetics and inks. However, like many azo dyes, it has raised environmental and health concerns due to potential toxicity and the formation of carcinogenic amines upon degradation. Regulatory agencies often monitor its use, particularly in consumer products, to ensure safety standards are met. Overall, while Direct Red 23 is valued for its coloring properties, its application is subject to scrutiny regarding safety and environmental impact.
Formula:C35H25N7Na2O10S2
InChI:InChI=1/C35H27N7O10S2/c1-19(43)36-22-7-9-24(10-8-22)40-42-32-30(54(50,51)52)18-21-16-26(12-14-28(21)34(32)45)38-35(46)37-25-11-13-27-20(15-25)17-29(53(47,48)49)31(33(27)44)41-39-23-5-3-2-4-6-23/h2-18,39-40H,1H3,(H,36,43)(H2,37,38,46)(H,47,48,49)(H,50,51,52)/b41-31-,42-32-
InChI key:InChIKey=UHJHROFOUKAFJM-UHFFFAOYSA-N
SMILES:OC=1C2=C(C=C(S(=O)(=O)O)C1N=NC3=CC=C(NC(C)=O)C=C3)C=C(NC(NC4=CC5=C(C=C4)C(O)=C(N=NC6=CC=CC=C6)C(S(=O)(=O)O)=C5)=O)C=C2.[Na]
Synonyms:
  • (3E)-3-{2-[4-(acetylamino)phenyl]hydrazinylidene}-4-oxo-7-({[(6E)-5-oxo-6-(2-phenylhydrazinylidene)-7-sulfo-5,6-dihydronaphthalen-2-yl]carbamoyl}amino)-3,4-dihydronaphthalene-2-sulfonic acid
  • 2-Naphthalenesulfonic acid, 3-[2-[4-(acetylamino)phenyl]diazenyl]-4-hydroxy-7-[[[[5-hydroxy-6-(2-phenyldiazenyl)-7-sulfo-2-naphthalenyl]amino]carbonyl]amino]-, sodium salt (1:2)
  • 2-Naphthalenesulfonic acid, 3-[[4-(acetylamino)phenyl]azo]-4-hydroxy-7-[[[[5-hydroxy-6-(phenylazo)-7-sulfo-2-naphthalenyl]amino]carbonyl]amino]-, disodium salt
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  • See more synonyms
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