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CAS 2425-85-6

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Toluidine red

Description:
Toluidine red, also known as toluidine red O or simply toluidine red, is an organic compound classified as a dye. It is primarily used in histology and microscopy as a staining agent due to its ability to bind to various biological tissues, enhancing contrast and visibility under a microscope. The chemical structure of toluidine red features a sulfonic acid group, which contributes to its solubility in water and its effectiveness as a dye. It exhibits a vibrant red color, making it useful for staining applications, particularly in the identification of certain cellular components. Toluidine red is also known for its ability to bind to nucleic acids, making it valuable in the study of cellular morphology and pathology. Additionally, it has applications in the textile and paper industries. Safety considerations should be taken into account, as with many dyes, due to potential toxicity and environmental impact. Proper handling and disposal procedures are essential when working with this compound.
Formula:C17H13N3O3
InChI:InChI=1S/C17H13N3O3/c1-11-6-8-14(15(10-11)20(22)23)18-19-17-13-5-3-2-4-12(13)7-9-16(17)21/h2-10,21H,1H3
InChI key:InChIKey=ZLFVRXUOSPRRKQ-UHFFFAOYSA-N
SMILES:N(=NC1=C(N(=O)=O)C=C(C)C=C1)C=2C3=C(C=CC2O)C=CC=C3
Synonyms:
  • 1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol
  • 1-(4-Methyl-2-Nitrophenylazo)-2-Naphthol
  • 1-(4-Methyl-2-nitrophenylazo)-2-naphtol
  • 1-(4-Metil-2-Nitrofenilazo)-2-Naftol
  • 1-(o-Nitro-p-tolylazo)-2-naphthol
  • 1-[(2-Nitro-4-methylphenyl)azo]-2-naphthol
  • 1-[2-(4-Methyl-2-nitrophenyl)diazenyl]-2-naphthalenol
  • 2-Nitro-p-toluidine-2-naphthol
  • C.I. Pigment Red 3
  • Pigment Red 3
  • See more synonyms
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