CAS 2425-85-6

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
• C.I. 12120
• C.I. Pigment Red 3
• 1-[(4-methyl-2-nitrophenyl)hydrazono]naphthalen-2(1H)-one
• 2-Naphthalenol, 1-[2-(4-methyl-2-nitrophenyl)diazenyl]-
• 2-Naphthalenol, 1-[(4-methyl-2-nitrophenyl)azo]-
• Toluidine red

2-Naphthalenol, 1-[(4-methyl-2-nitrophenyl)azo]-

CAS: 2425-85-6

Formula: C₁₇H₁₃N₃O₃

Purity: 98%

Color and Shape: Solid

Molecular weight: 307.3034

Ref: IN-DA00I4O1

1-(4-Methyl-2-Nitrophenylazo)-2-Naphthol

CAS: 2425-85-6

1-(4-Methyl-2-Nitrophenylazo)-2-Naphthol

Purity: 98%

Molecular weight: 307.30g/mol

Ref: 54-OR1008954

Pigment Red 3

CAS: 2425-85-6

Formula: C₁₇H₁₃N₃O₃

Color and Shape: Red powder

Molecular weight: 307.31

Ref: 7W-GT0356

Toluidine Red 100 µg/mL in Acetone

CAS: 2425-85-6

Formula: C₁₇H₁₃N₃O₃

Color and Shape: Single Solution

Molecular weight: 307.30

Ref: 04-A17597000AC-100

Toluidine Red

CAS: 2425-85-6

Formula: C₁₇H₁₃N₃O₃

Color and Shape: Dark Red

Molecular weight: 307.30

Ref: 04-C17597000

Toluidine Red

CAS: 2425-85-6

Formula: C₁₇H₁₃N₃O₃

Molecular weight: 307.31

Ref: 4Z-D-164075

Red No.221 for TLC RS

CAS: 2425-85-6

Color and Shape: Yellowish Red Solid Powder

Ref: 2K-4013000021

Toluidine Red

Controlled Product

CAS: 2425-85-6

Applications Toluidine Red is a oil soluble dye. Toluidine Red has been shown to cause hematopoietic cell proliferation in the spleen, liver, and bone marrow of rats. Dyes and metabolites, Environmental Testing
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Zhu, Y., et. al.: Food Chem., 145, 956 (2014); Morgan, D.L., et. al.: Food Chem. Toxicol., 27, 793 (1989)

Formula: C₁₇H₁₃N₃O₃

Color and Shape: Dark Red

Molecular weight: 307.30

Ref: TR-T536220