LEUCOMALACHITE GREEN Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 129-73-7 |
| Product name | LEUCOMALACHITE GREEN |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty GradeMaterial GradeReagent Grade |
| Packaging | 25KG/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 LEUCOMALACHITE GREEN
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk LEUCOMALACHITE GREEN Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of LEUCOMALACHITE GREEN
| Industry | Application | Process |
|---|---|---|
| Dyeing and Printing Industry | Used as a vat dye for dyeing cotton, linen, and other cellulosic fibers | Vat dyeing process: leuco malachite green is reduced by a reducing agent to its soluble leuco form, then oxidized to fix the color on the substrate |
| Coatings and Inks | Used as a pigment additive to impart green hue | Mixed with resins or oils and processed via grinding and dispersion to formulate coatings or inks |
| Biological Staining | Used for staining tissue sections or cells to facilitate microscopic examination | Applied to specific biological specimens and visualized under a microscope |
| Chemical Reagents | Used as an analytical reagent for indication or detection in certain chemical reactions | Employed as a chromogenic agent or catalyst participant in specific reaction systems |
Manufacturing Quality Control of LEUCOMALACHITE GREEN
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | UV-Vis Spectrophotometry | Quantifies main component concentration via absorbance at characteristic wavelength (e.g., ~620 nm) using Beer-Lambert law. |
| Loss on Drying | Gravimetric Analysis (Weight Loss on Heating) | Measures volatile content by weight loss after heating at specified temperature (e.g., 105 C) for fixed duration. |
| Water Content | Karl Fischer Titration | Determines trace water via stoichiometric reaction between water and Karl Fischer reagent (iodine, sulfur dioxide, base, alcohol). |
| Residue on Ignition | Gravimetric Analysis (Sulfated Ash) | Measures non-volatile inorganic impurities as sulfate ash after high-temperature combustion with sulfuric acid treatment. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantifies total heavy metals by atomization and absorption measurement at specific elemental wavelengths after acid digestion. |
| Chloride Impurity | Potentiometric Titration with AgNO3 | Detects chloride ions via precipitation titration with silver nitrate using silver indicator electrode. |
| Sulfate Impurity | Gravimetric Analysis (Barium Sulfate Precipitation) | Measures sulfate as insoluble BaSO4 precipitate formed after addition of barium chloride under controlled conditions. |
| Related Substances | High Performance Liquid Chromatography (HPLC) | Separates and quantifies structurally similar impurities using reversed-phase column and UV detection. |
| pH of Aqueous Solution | Potentiometric pH Measurement | Determines acidity/basicity of saturated aqueous solution using calibrated pH electrode and reference electrode. |
| Melting Point | Capillary Melting Point Determination | Identifies purity and identity by observing temperature range at which solid transitions to liquid in capillary tube. |
| Solubility in Water | Visual Solubility Test | Evaluates qualitative solubility by observing dissolution behavior in distilled water at specified temperature and concentration. |
| Organic Volatile Impurities | Gas Chromatography (GC-FID) | Detects residual solvents by separation on capillary column and flame ionization detection. |
Technical Specifications of LEUCOMALACHITE GREEN
| Test Item | Specification |
|---|---|
| Appearance | Pale-blue solid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 103-107°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
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 LEUCOMALACHITE GREEN
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of LEUCOMALACHITE GREEN
Packaging of LEUCOMALACHITE GREEN
Industrial LEUCOMALACHITE 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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