Azo Dyes

Cat. No.

A45569

CAS No.

57583-69-4

Procion red MX 8B

Procion Red MX 8B is a multifunctional azo dye primarily used for biological staining. This dye is instrumental in visualizing and analyzing cellular structures, tracking biomolecules, and assessing cell functionalities. Its applications span basic research, tissue pathology studies, and microbiological monitoring, making it valuable in both scientific investigations and clinical diagnostics. Additionally, Procion Red MX 8B serves roles in areas such as textile dyeing, food pigmentation, and the development of dye-sensitized solar cells.

Cat. No.

A45583

CAS No.

7143-21-7

beta-Naphthol violet

beta-Naphthol violet is a multifunctional dye primarily used in biological research. It facilitates the observation and analysis of cellular structures, enables tracking of biomolecules, and assists in distinguishing cell types, evaluating cell functions, and monitoring microorganisms. Its versatility extends from foundational scientific inquiries to clinical diagnostics. Additionally, beta-Naphthol violet finds application in traditional textile dyeing, functional textile processing, food pigments, and dye-sensitized solar cells.

Cat. No.

A45604

CAS No.

2052-25-7

Mordant Black PV

Mordant Black PV is a fluorescent azo dye that binds to various biological macromolecules, making it useful for tissue staining and visualization in microscopy. This compound demonstrates compatibility with different staining protocols, allowing researchers to enhance image contrast in histological studies. Its distinct fluorescence properties make it an essential tool in cellular and molecular biology research applications.

Cat. No.

A45623

CAS No.

3618-58-4

Eriochrome Black A

Eriochrome Black A is an azo dye known for its fluorescent properties, primarily utilized in analytical chemistry and environmental monitoring. This compound can effectively indicate metal ions in complex samples and is particularly valuable for water quality assessments. In addition, Eriochrome Black A can be removed from aqueous solutions using magnetic NiFe2O4 nanoparticle adsorbents, facilitating efficient purification and remediation processes in research and industrial applications.

Cat. No.

A45624

CAS No.

3624-68-8

Mordant Blue 9

Mordant Blue 9 is a synthetic azo dye recognized for its application as a fluorescent dye. It exhibits strong staining properties, making it suitable for various biological research applications, including the visualization of cellular structures in microscopy and histological studies. Its fluorescent characteristics enable enhanced contrast and clarity in imaging techniques.

Cat. No.

A45663

CAS No.

6470-98-0

C.I. Mordant yellow 12

C.I. Mordant Yellow 12 is an azo dye with fluorescent properties, primarily utilized as a labeling agent in various biological applications. This compound exhibits effective staining capabilities, allowing for the visualization of cellular components and structures in microscopy. It serves as a valuable tool for researchers in histology, cell biology, and fluorescence microscopy, facilitating the study and analysis of complex biological systems.

Cat. No.

A45679

CAS No.

8003-88-1

Acid orange 51

Acid Orange 51 is a fluorescent dye characterized by its azo structure. This compound exhibits strong absorbance and emission properties in the visible spectrum, making it suitable for applications in fluorescence microscopy and cytometry. It can be utilized for staining cellular structures, enabling detailed imaging and analysis in various biological research studies.

Cat. No.

A45729

CAS No.

61931-83-7

C.I. Mordant red 94

C.I. Mordant Red 94 is an azo dye primarily used as a fluorescent dye. It exhibits strong absorption properties in the visible spectrum, making it suitable for a variety of biological staining applications. This compound is valuable for researchers in histology, cytology, and other fields where fluorescent labeling of biological samples is crucial for visualization and analysis.

Cat. No.

A45741

CAS No.

68959-00-2

Acid Orange 116

Acid Orange 116 is a fluorescent azo dye primarily used for tracing and detecting metal ions in aqueous solutions. Its ability to complex with metal ions facilitates the study of ion removal processes and the interactions between environmental pollutants and metals. This compound is invaluable in research applications involving water quality analysis and the development of chelating agents.

Cat. No.

A45773

CAS No.

1934-24-3

Mordant red 19

Mordant Red 19 is an azo dye that functions as a fluorescent dye, exhibiting strong absorptive properties. It is primarily employed in histological staining and microscopy applications to visualize biological specimens. This compound is valuable for enhancing contrast in tissue samples, aiding in the study of cellular structures and morphology in various research settings.

Cat. No.

A45787

CAS No.

10127-27-2

Acid orange 74

Acid Orange 74 is a fluorescent dye characterized by its azo structure. It exhibits strong absorption and emission properties, making it suitable for various biological applications, including cell staining and tracking. This compound is commonly utilized in fluorescence microscopy and flow cytometry to visualize cellular components, aiding in the study of cellular processes and dynamics.

Cat. No.

A90232

CAS No.

62758-12-7

Ethyl Orange (sodium), indicator grade

Ethyl Orange (sodium) is an organic azo compound that functions as a pH indicator, exhibiting a color change from red to orange within the pH range of 3.0 to 4.8. This compound is widely utilized in analytical chemistry for monitoring acid-base transitions and determining the acidity of solutions. Its reliable performance makes it suitable for various laboratory applications, including titrations and biochemical assays.

Cat. No.

A90898

CAS No.

63451-28-5

Methyl red hydrochloride

Methyl red hydrochloride is an azo dye primarily utilized as a pH indicator. It exhibits distinct color changes from red at pH 4.4 to yellow at pH 6.0, making it valuable for monitoring pH levels in various biological and chemical experiments. Its applications span across microbiology, pharmaceuticals, and environmental testing, where precise pH measurements are crucial.

Cat. No.

A94857

CAS No.

992-59-6

Benzo Red Violet 4B

Benzo Red Violet 4B is a dis-azo dye known for its staining properties. This reagent is utilized primarily as a biological stain, proving effective in various applications including histological analysis and microscopy. Its strong coloration enhances visibility of cellular components, making it invaluable for research in cell biology and tissue studies.

Cat. No.

B11000

CAS No.

493-52-7

Methyl red

Methyl red is an azo dye that functions as a pH-sensitive acid-base indicator with a pKa of 5.1. It facilitates visual determination of titration endpoints by undergoing reversible structural changes related to protonation (red at pH 6.2). Methyl red is extensively utilized in acid-base titrations and for monitoring buffer pH in biochemical research.

Cat. No.

B11176

CAS No.

4321-69-1

Acid Violet 7

Acid Violet 7 is an azo dye that serves as a substrate for assessing the degradation capabilities of various microorganisms. This compound is utilized in microbiological research to evaluate the efficiency of microbial strains in breaking down synthetic dyes. Its distinctive coloration and stability make it a valuable tool for studies related to bioremediation and environmental microbiology.

Cat. No.

B11331

CAS No.

1103-38-4

Pigment Red 49:1

Synonyms: Barium lithol red

Pigment Red 49:1 is an azo lake pigment known for its vibrant coloration properties, ranging from yellow to purplish blue. This compound is primarily utilized in various applications, including coatings, plastics, and inks, where its stability and lightfastness are essential. Its unique chromatic characteristics make it valuable in artistic and industrial settings, contributing to diverse research applications concerning pigment formulations and colorimetry.

Cat. No.

B21451

CAS No.

554-73-4

OrangeIV

OrangeIV is an azo dye known for its vibrant coloration and versatility in chemical applications. It plays a significant role in click chemistry, facilitating the formation of diverse chemical structures through covalent bonding. OrangeIV is widely utilized in various research contexts, including organic synthesis and the development of fluorescent probes.