Date published: 2026-4-4

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Redox Indicators

Santa Cruz Biotechnology now offers a broad range of redox reagents for use in various applications. Redox (reduction-oxidation) reagents are essential in the field of chemistry and biochemistry, where they play a critical role in studying and manipulating electron transfer reactions. These reagents are fundamental tools for researchers investigating the mechanisms of oxidative stress, enzymatic functions, and energy production processes in cells. In the laboratory, redox reagents are employed in a variety of techniques, including spectrophotometry, electrochemical analysis, and redox titrations, to measure and control the redox state of chemical systems. Their versatility extends to applications in environmental chemistry, where they are used to assess the redox conditions of natural waters and soils, as well as in materials science for the synthesis and characterization of new materials with specific redox properties. The availability of a diverse array of redox reagents from Santa Cruz Biotechnology supports the advancement of research in these areas, enabling scientists to explore complex biochemical pathways and develop new technologies. View detailed information on our available redox reagents by clicking on the product name.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Methylene blue trihydrate

7220-79-3sc-203744
sc-203744A
5 g
25 g
$32.00
$62.00
3
(1)

Methylene blue trihydrate acts as a versatile redox agent, characterized by its ability to undergo reversible oxidation and reduction processes. This compound exhibits distinct electron transfer dynamics, facilitating rapid interconversion between its oxidized and reduced forms. Its unique planar structure enhances π-π stacking interactions, promoting effective electron delocalization. Additionally, the trihydrate form influences solubility and stability, impacting reaction kinetics in various redox environments.

α-Naphthoflavone

604-59-1sc-257037
sc-257037A
sc-257037B
sc-257037C
1 g
5 g
25 g
100 g
$34.00
$46.00
$156.00
$500.00
3
(1)

α-Naphthoflavone serves as a notable redox agent, distinguished by its capacity for electron transfer through a series of complex oxidation states. Its unique polycyclic structure allows for significant resonance stabilization, enhancing its reactivity. The compound's ability to form charge-transfer complexes with various substrates facilitates diverse reaction pathways. Furthermore, its hydrophobic characteristics influence solubility and interaction with biological membranes, affecting its kinetic behavior in redox reactions.

Resazurin sodium salt

62758-13-8sc-206037
sc-206037B
sc-206037C
sc-206037A
1 g
25 g
100 g
5 g
$57.00
$328.00
$957.00
$104.00
17
(1)

Resazurin sodium salt is a versatile redox indicator characterized by its ability to undergo reversible reduction to resorufin, a more fluorescent compound. This transformation is facilitated by electron transfer processes that are sensitive to environmental conditions. The compound's unique structure allows for strong interactions with various electron donors, influencing reaction kinetics. Its solubility in aqueous solutions enhances its accessibility for redox reactions, making it a valuable tool in assessing oxidative states.

Barium diphenylamine-4-sulfonate

6211-24-1sc-239271
5 g
$62.00
(0)

Barium diphenylamine-4-sulfonate serves as a notable redox indicator, exhibiting distinct electron transfer properties. Its unique molecular structure enables effective interactions with oxidizing agents, facilitating rapid redox reactions. The compound's stability in diverse environments allows for consistent performance in various conditions. Additionally, its ability to form charge-transfer complexes enhances its sensitivity, making it a reliable choice for monitoring redox processes in analytical applications.

Sulfonazo III sodium salt

164581-28-6sc-229348
sc-229348A
5 g
25 g
$156.00
$555.00
(0)

Sulfonazo III sodium salt is a versatile redox indicator characterized by its unique chelating ability, which allows it to form stable complexes with metal ions. This interaction alters its electronic structure, leading to distinct colorimetric changes during redox reactions. The compound exhibits rapid kinetics, enabling swift detection of oxidation states. Its solubility in aqueous solutions enhances its applicability, while its pH sensitivity further fine-tunes its performance in diverse chemical environments.

Diphenylamine

122-39-4sc-205995
sc-205995A
100 g
1 kg
$113.00
$525.00
(1)

Diphenylamine is a notable redox-active compound that undergoes reversible oxidation and reduction processes, primarily through the formation of radical cations. Its unique electron-donating properties facilitate strong intermolecular interactions, influencing reaction kinetics and stability. The compound's ability to participate in electron transfer reactions is enhanced by its planar structure, which allows for effective π-π stacking. Additionally, diphenylamine's distinct colorimetric response during redox transitions makes it a valuable tool for monitoring oxidative states in various chemical systems.

Safranin T

477-73-6sc-203758
sc-203758A
25 g
100 g
$49.00
$108.00
1
(1)

Safranin T is a vibrant redox-active dye characterized by its ability to undergo reversible electron transfer reactions, primarily through the formation of stable radical species. Its planar, conjugated structure promotes efficient π-π interactions, enhancing its reactivity and facilitating rapid electron exchange. The dye exhibits distinct spectral shifts during redox processes, allowing for precise monitoring of electron dynamics. Additionally, its strong affinity for various substrates can influence reaction pathways and kinetics, making it a versatile compound in redox chemistry.

N,N′-Diphenylbenzidine

531-91-9sc-257885
10 g
$97.00
(0)

N,N'-Diphenylbenzidine is a notable redox-active compound distinguished by its ability to form stable cationic and anionic species during electron transfer processes. Its extended conjugated system allows for significant delocalization of charge, which enhances its reactivity. The compound exhibits unique electrochemical behavior, with distinct oxidation and reduction potentials that facilitate selective electron transfer. Its interactions with various solvents can also influence reaction kinetics, making it a subject of interest in redox studies.

1,1′-Dibenzyl-4,4′-bipyridinium dichloride

1102-19-8sc-213422
sc-213422A
250 mg
1 g
$28.00
$53.00
(0)

1,1'-Dibenzyl-4,4'-bipyridinium dichloride is a redox-active compound characterized by its ability to undergo reversible electron transfer, leading to the formation of stable radical cations. The bipyridinium structure promotes strong π-π stacking interactions, enhancing its electrochemical properties. Its distinct redox potentials enable selective reactivity in various environments, while solvent interactions can significantly modulate its reaction kinetics, making it a compelling subject for redox chemistry exploration.