Molecular Formula: C₁₆H₁₈ClN₃S
Molecular Weight: 319.85 g/mol
Chemical (IUPAC) Name: Methylthioninium chloride
CAS Number: 61‑73‑4

Manufactured in the USA – USP Spec or Generic spec.

Product Video:

1. Methylene Blue Drops, made of high-quality materials, are safe and reliable.
2. With a unique design, they provide precise dispensing and are easy to use.
3. The bright color provides efficient staining and is widely applicable. It is convenient to use and should be stored in a cool and dry place.

Methylene Blue (methylthioninium chloride) is a redox‑active phenothiazine dye with a long history in chemistry, biology, and clinical research. Its behaviour is driven by its ability to accept and donate electrons, making it useful in multiple biochemical pathways.
Below is a structured breakdown of its known scientific roles.

1. Acts as a Redox Agent
Methylene Blue cycles between oxidized (MB⁺) and reduced (leucomethylene blue) forms.
This redox cycling is used in research to study:

mitochondrial electron transport

oxidative stress

cellular respiration

redox‑dependent signalling pathways

2. Supports Mitochondrial Function (Research Context)
In cell and animal models, Methylene Blue has been shown to:

interact with the electron transport chain

bypass impaired Complex I/III activity

enhance ATP production under certain conditions

This is why it appears in studies on mitochondrial dysfunction.

3. Antioxidant & Anti‑Oxidative Stress Mechanisms
Through redox cycling, MB can:

reduce reactive oxygen species (ROS)

stabilize cellular redox balance

protect biomolecules from oxidative damage

These effects are widely explored in neurobiology and aging research.

4. Neurological Research Applications
Methylene Blue is studied for its effects on:

memory pathways

mitochondrial support in neurons

tau protein aggregation

neuroprotective mechanisms

It appears frequently in Alzheimer’s and cognitive‑function research models.

5. Antimicrobial & Antiparasitic Properties
Historically and in modern research, MB shows activity against:

bacteria

fungi

parasites

This is due to its ability to disrupt microbial redox systems.

6. Diagnostic & Laboratory Uses
Methylene Blue is widely used as:

a vital stain

a redox indicator

a histology dye

a marker for tissue visualization

Its colour change properties make it extremely versatile.

Summary (Documentation‑Ready)
Methylene Blue is a redox‑active phenothiazine compound used in research for:

mitochondrial electron transport studies

oxidative stress modulation

neurobiology and cognitive research

antimicrobial investigations

staining and diagnostic applications

It functions primarily through electron transfer, redox cycling, and mitochondrial interaction.