Bulk Methylene Blue Powder
Appearance:Reddish-brown powder
CAS: 61-73-4
Certification: ISO9001, ISO22000, Kosher, Halal, FSSC22000
Delivery speed: 1-3 days
Stock: In stock
MOQ:25kg
Payment method: T/T, VISA, XTransfer, Alipay...
Shipping: DHL.FedEx, TNT, EMS, SF, sea, air
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Product Introduction
Bulk Methylene Blue Powder - Professional Supplier & Manufacturer
Shaanxi Yuantai Biological Technology Co., Ltd (YTBIO) specializes in the production and supply of pharmaceutical-grade Bulk Methylene Blue Powder, offering standardized material verified by HPLC analysis to possess a purity exceeding 99.0%. Methylene Blue exerts its effects through its redox activity and is widely utilized in fields such as dyeing, pharmaceuticals, and aquaculture.

| Item | Specification |
|---|---|
| Assay | ≥99% |
| Appearance | Reddish-brown powder |
| CAS Number | 61-73-4 |
| Molecular Formula | C₁₆H₁₈ClN₃S |
| Solubility | Soluble in Water |
| Shelf Life | 24 Months |
| Packaging | Customized |
Why Choose Us?
**Rigorous Quality Control:** Every batch of product undergoes strict testing to ensure purity and consistency.
**Supply Capacity:** Our wholly-owned 10,000-square-meter facility guarantees reliable production and inventory management, supporting our clients' long-term requirements.
**Packaging Solutions:** We offer a variety of packaging specifications to meet the diverse needs of different applications.
**Global Export Experience:** With 12 years of industry experience, we provide expert international logistics and documentation support.
Staining Principle
Bulk Methylene Blue Powder staining is a commonly used histological staining method, often used to stain cell nuclei or intracellular structures. It is an alkaline dye that can bind to anions in DNA molecules to form a dark blue precipitate.
Its principle mainly includes two steps: fixation and coloring. Fixation refers to fixing the cell tissue to be stained so that it maintains its original structure and morphology. Commonly used fixatives include formalin, acetaldehyde, etc. During the fixation process, the DNA in the cell tissue will undergo alkaline hydrolysis, and the phosphate groups in the DNA molecules will release H+, thereby generating negative charges.
During the coloring process, the fixed tissue is placed in a staining solution containing methylene blue dye. The dye contains cationic groups that can bind to negative charges in DNA to form a complex of methylene blue and DNA. This combination is carried out in the form of non-covalent bonds such as electrostatic action or hydrogen bonds. When the two are combined, a dark blue precipitate will be formed. This staining method has a good affinity for DNA and can clearly show the structure of the cell nucleus or the cell.
The advantages of staining are simple operation, obvious staining effect, and can clearly show the morphology and structure of the cell nucleus. However, due to its alkalinity, the cells may be unevenly stained after staining, affecting the accuracy of the staining results. In addition, during the staining process, it is also necessary to control the staining time and temperature to avoid over-staining or under-staining. After staining, washing and sealing steps are required to protect and fix the staining results.
Applications
Methylene blue is widely used in chemical indicators, dyes, biological stains and drugs. Especially in the dyeing industry, it is used to make inks, etc., and the amount is large. In the following fields, methylene blue is also widely used.
1. Industrial field
Belonging to dye compounds, industrial-grade methylene blue is often used for dyeing cotton, silk, paper, etc., and can also be used in bamboo and wood coloring and the manufacture of inks, lakes, etc. In addition, it is also often used as bacterial stains, indicators, etc.
2. Medical field
It has been used in the medical field a long time ago. Due to its redox properties, it can be used to relieve poisoning caused by cyanide, nitrite, aniline, acetanilide, or methemoglobinemia caused by drugs such as sulfonamides. In recent years, scholars have also studied its application in various bacterial and viral infections and central nervous system diseases such as depression, schizophrenia, Alzheimer's disease, etc.
3. Aquaculture field
It can be used as a disinfectant in aquaculture. The principle is that the ionic compounds formed in the aqueous solution can compete with the microbial enzyme system for hydrogen ions, inactivate the enzyme, and then cause the microorganisms to lose their ability to survive; it also has a certain effect in the treatment of fish diseases such as Ichthyophthirius, trichomoniasis, red mouth disease, Saprolegniasis, and Penaeus vannamei larvae slime disease. It can also be used as an antifungal drug to reduce the mortality rate of fish during transportation.
Methylene Blue: Research Progress in Brain Health
Methylene Blue has garnered significant attention due to its ability to cross the blood-brain barrier and participate in cellular energy metabolism. Researchers are currently exploring its potential effects on cognitive function, neuroprotection, and overall nervous system health; however, the majority of existing evidence is still primarily derived from animal experiments and early-stage clinical studies.
What Have Animal Studies Revealed?
Most current research regarding the neuroprotective effects of Methylene Blue comes from animal models. In experiments involving mice and rats designed to simulate Alzheimer's disease, Methylene Blue was observed to potentially exert the following effects:
Improve performance in learning tasks;
Enhance behaviors associated with memory;
Reduce neuronal damage;
Support normal neuronal function.

What Have Human Studies Discovered?
Compared to animal studies, the number of human studies on Methylene Blue remains limited, and the sample sizes involved are relatively small. In one small-scale clinical study involving only 26 participants, researchers observed the following:
A single low dose of Methylene Blue may improve scores on memory tests by approximately 7%;
Activity in specific regions of the brain appeared enhanced during the performance of cognitive tasks;
Evidence suggesting a potential influence on cerebral energy metabolism.
These results indicate that Methylene Blue may influence neural network activity within the brain; however, its actual clinical significance requires further investigation and confirmation.
Potential Mechanisms of Action for Methylene Blue
Current research suggests that Methylene Blue may exert its effects by supporting mitochondrial energy metabolism, reducing oxidative stress, and providing neuroprotection.
How Safe Is It?
Under the guidance of medical professionals, Methylene Blue is utilized for specific medical purposes; however, caution is advised regarding the self-administration of Methylene Blue supplements.
Research Summary
Current scientific research indicates that Methylene Blue possesses the characteristics of crossing the blood-brain barrier, participating in mitochondrial energy metabolism, and influencing neuronal function. Both animal experiments and certain early-stage human studies suggest that it may hold research value regarding memory performance, cerebral energy metabolism, and neuroprotection. Nevertheless, the evidence available at this stage remains insufficient to definitively confirm its efficacy in specific diseases or to establish optimal protocols for its use. Future research requires larger-scale, long-term human clinical trials to comprehensively evaluate the effectiveness, safety, and potential clinical utility of Methylene Blue.
FAQ
Q:What purity levels do you offer?
YTBIO offers Bulk Methylene Blue Powder with a purity of 99%, as well as Methylene Blue Trihydrate 90% (CAS 7220-79-3).
Q:What packaging options are available?
We offer a variety of packaging sizes and can also provide customized packaging solutions tailored to our customers' specific requirements.
Q:Do you offer bulk supply?
Yes. We support the diverse ordering needs of customers worldwide and are equipped to handle orders of any size—whether small batches or large-scale bulk orders.
Packaging & Delivery
Standard Packaging:
Inner Layer: Double-layer, heat-sealed, food-grade PE bags
Outer Layer: Fiber drums with security lids, or aluminum foil bags
Standard Sizes: 1kg, 5kg, 10kg, 25kg
Custom packaging services are available upon request.
Storage Conditions:
Store in a cool, dry place away from light. Containers must be kept tightly sealed.
Shipping:
We collaborate with trusted global logistics partners to ensure the timely delivery of goods. Express shipping options are also available for urgent requirements. All shipments are accompanied by complete and legally compliant documentation for customs clearance.
Contact YTBIO
Looking for a reliable Methylene Blue 99% supplier?
Contact YTBIO today for COA, technical specifications, samples, and quotation information.
Tel:86-029-86478251 / 86-029-86119593
Whatsapp:8617782577059
Email:sales@sxytorganic.com
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