METHYL GREEN Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 14855-76-6 |
| Product name | METHYL GREEN |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeReagent Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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 METHYL GREEN
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk METHYL GREEN Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of METHYL GREEN
| Industry | Application | Process |
|---|---|---|
| Biology | Nuclear staining | Methyl green is commonly used in combination with pyronin to form a composite stain for differentiating DNA from RNA. Under specific conditions, this stain exhibits high affinity for DNA, resulting in green-stained nuclei. |
| Education | Experimental instruction | Used in secondary or university-level biology laboratories as a teaching tool to demonstrate spatial differences in DNA and RNA distribution; students learn cellular structure by observing stained tissue sections. |
| Medical research | Pathological sample analysis | Applied to histological sections to assist researchers in identifying and distinguishing cell types and their components, particularly as an adjunct in diagnosing diseases such as cancer. |
| Materials science | Base compound for dye synthesis | Although direct applications are limited, its chemical structure and properties serve as a reference for developing novel dyes; it is occasionally employed as an intermediate in the preparation of other functional materials. |
Manufacturing Quality Control of METHYL GREEN
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | UV-Vis Spectrophotometry | Quantifies methylene green concentration based on absorbance at characteristic wavelength (e.g., ~630 nm) using Beer-Lambert law. |
| Loss on Drying | Gravimetric (Thermogravimetry) | Measures mass loss after drying at specified temperature to determine volatile content including moisture and solvents. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Determines total heavy metal content by atomization and absorption measurement of elemental radiation in flame or graphite furnace. |
| Chloride Impurity | Potentiometric Titration with AgNO3 | Measures chloride ions via titration with silver nitrate using silver electrode to detect endpoint potential change. |
| Sulfate Impurity | Gravimetric Analysis (Barium Sulfate Precipitation) | Precipitates sulfate as BaSO4, filters and weighs dried precipitate to calculate sulfate content. |
| pH of Aqueous Solution | pH Potentiometry | Measures hydrogen ion activity in a standardized aqueous solution using calibrated pH electrode and reference electrode. |
| Residue on Ignition | Gravimetric (Sulfated Ash) | Determines non-volatile inorganic residue after high-temperature ignition following sulfuric acid treatment. |
| Related Substances | HPLC with UV Detection | Separates and quantifies structurally related impurities using reversed-phase chromatography and UV absorbance detection. |
| Water Content | Karl Fischer Titration | Determines trace water via stoichiometric reaction between water, iodine, sulfur dioxide, and base in methanol medium. |
| Iron Impurity | ICP-OES | Quantifies iron concentration by measuring atomic emission intensity at characteristic wavelength after plasma atomization and excitation. |
| Appearance (Color & Clarity) | Visual Inspection | Assesses physical state, color intensity, and absence of visible particulates or cloudiness in standardized solution. |
| Solubility | Qualitative Dissolution Test | Evaluates complete dissolution in specified solvent (e.g., water, ethanol) under defined conditions and time. |
Technical Specifications of METHYL GREEN
| Test Item | Specification |
|---|---|
| Appearance | Dark green crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.2% |
| Solubility | Freely soluble in water and ethanol; insoluble in chloroform and ether |
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 METHYL GREEN
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of METHYL GREEN
Industrial METHYL GREEN 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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