METHYLENE BLUE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 122965-43-9 |
| Product name | METHYLENE BLUE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for METHYLENE BLUE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk METHYLENE BLUE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of METHYLENE BLUE
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Antibacterial and antiprotozoal agent | Leverages its redox properties to disrupt pathogen redox processes in vivo, for the treatment of protozoal infections. |
| Pharmaceutical Industry | Antidote | Administered intravenously to reduce methemoglobin to functional hemoglobin, for the treatment of methemoglobinemia and cyanide poisoning. |
| Biochemistry | Biological stain | Used as a nuclear stain for cell nucleus staining, and also applied in staining bacteria, blood smears, and tissue sections for microscopic observation. |
| Chemical Industry | Redox indicator | Employed in redox titrations, where its distinct color change between the oxidized (blue) and reduced (colorless) forms signals the endpoint. |
| Chemical Industry | Photosensitizer | Absorbs light energy to generate singlet oxygen or other reactive oxygen species in photodynamic therapy (PDT) or photochemical reactions. |
| Water Treatment Industry | Photocatalytic degradation enhancer | Serves as a model pollutant or participates directly in photocatalytic reactions under visible light to degrade organic contaminants. |
| Analytical Testing | Sulfide analysis | Applied in the “methylene blue spectrophotometric method”: reacts with sulfides under acidic conditions to form methylene blue, enabling quantitative determination via colorimetry. |
| Experimental Research | Redox mediator | Functions as an electron shuttle to accelerate electron transfer rates in microbial fuel cell (MFC) studies. |
Manufacturing Quality Control of METHYLENE BLUE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (C16H18ClN3S) | UV-Vis Spectrophotometry | Quantification based on absorbance at characteristic wavelength (e.g., 664 nm) using Beer-Lambert law with reference standard. |
| Loss on Drying | Gravimetric (Thermogravimetry) | Mass loss measured after drying at 105 C for 2 hours under controlled conditions. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to quantify water via stoichiometric reaction. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element detection of trace metals after acid digestion, based on element-specific atomic emission intensities. |
| Chloride Impurity | Potentiometric Titration | Titration with silver nitrate using silver indicator electrode; endpoint detected by potential change. |
| Sulfate Impurity | Gravimetric (Barium Sulfate Precipitation) | Precipitation as BaSO4 followed by ignition and weighing of the dried residue. |
| Residue on Ignition | Gravimetric | Mass of non-volatile inorganic residue remaining after ignition at 700-800 C. |
| pH of Solution (1% w/v) | pH Potentiometry | Measurement of hydrogen ion activity in aqueous solution using calibrated glass electrode system. |
| Related Substances | HPLC-UV | Separation and quantification of structurally similar impurities using reversed-phase chromatography and UV detection. |
| Iron (Fe) | AAS | Atomic absorption measurement of iron concentration after sample digestion and dilution. |
| Arsenic | Gutzeit Limit Test | Generation of arsine gas from sample under acidic conditions, reacting with mercuric bromide paper to produce color. |
| Microbial Contamination | Membrane Filtration | Quantitative recovery of viable microorganisms from solution by filtration, followed by incubation on appropriate agar media. |
Technical Specifications of METHYLENE BLUE
| Test Item | Specification |
|---|---|
| Appearance | Iridescent green-black powder |
| Purity | ≥98.5% |
| Loss on drying | ≤15.0% |
| Ignition residue | ≤0.5% |
| As | ≤5 ppm |
| Cu | ≤0.03% |
| Zn | ≤0.02% |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of METHYLENE BLUE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of METHYLENE BLUE
Packaging of METHYLENE BLUE
Industrial METHYLENE BLUE Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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