Leucocrystal Violet Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 603-48-5 |
| Product name | Leucocrystal Violet |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeReagent 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 Leucocrystal Violet
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Leucocrystal Violet Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Leucocrystal Violet
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Antimicrobial Agent | Used to treat skin infections and other superficial infections, such as ocular infections |
| Pharmaceutical Industry | Tissue Stain | Applied as a bacterial stain in histology and cytology |
| Biomedical | Staining Reagent | Applied for nuclear staining in microscopic examination |
| Research | Laboratory Reagent | Used as a fluorescent probe or labeling agent in research applications |
| Agriculture | Animal Health Product | Applied to treat external infections in fish and other aquatic animals |
| Industrial | Dye | Applied as a purple dye for coloring textiles and other materials |
Manufacturing Quality Control of Leucocrystal Violet
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | UV-Vis Spectrophotometry | Quantifies crystalline violet concentration based on absorbance at characteristic wavelength (e.g., ~590 nm) using Beer-Lambert law. |
| Loss on Drying | Gravimetric Analysis (Thermogravimetry) | Measures mass loss after drying at specified temperature to determine volatile content including moisture and solvents. |
| Heavy Metals | ICP-OES | Detects trace metal impurities (e.g., Pb, As, Hg) by plasma excitation and elemental emission spectroscopy. |
| Chloride Content | Potentiometric Titration with AgNO3 | Determines chloride ions via argentometric titration using silver nitrate and a silver indicator electrode. |
| Sulfate Content | Gravimetric Analysis (BaSO4 Precipitation) | Precipitates sulfate as barium sulfate and quantifies by weighing the dried precipitate. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue remaining after high-temperature ignition. |
| pH of Aqueous Solution | pH Potentiometry | Measures hydrogen ion activity in a standardized aqueous solution using calibrated pH electrode. |
| Water Content | Karl Fischer Titration | Quantifies water via stoichiometric reaction between water, iodine, sulfur dioxide, and base in methanol medium. |
| Related Substances | HPLC-UV | Separates and quantifies structurally related impurities (e.g., dimethylaminobenzaldehyde, leuco base) using reversed-phase chromatography and UV detection. |
| Color Value | Visual Comparison or Colorimeter | Evaluates color intensity against standard platinum-cobalt scale or spectrophotometrically at defined wavelength. |
| Particle Size Distribution | Laser Diffraction | Measures particle size distribution by analyzing angular variation in laser light scattering pattern. |
| Microbial Contamination | Membrane Filtration and Plate Count | Detects viable aerobic microorganisms by filtration, membrane transfer to agar media, and colony enumeration. |
Technical Specifications of Leucocrystal Violet
| Test Item | Specification |
|---|---|
| Appearance | Pale-purple crystalline solid |
| Purity | >=98.5% (GC-MS) |
| Melting Point | 204–207 °C |
| Total Impurities | <=1.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.3% |
| Heavy Metals | <=20 ppm |
| Identification (IR) | Conforms to reference spectrum |
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 Leucocrystal Violet
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Leucocrystal Violet
Packaging of Leucocrystal Violet
Industrial Leucocrystal Violet 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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