Azure B Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 531-55-5 |
| Product name | Azure B |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty 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 Azure B
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Azure B Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Azure B
| Industry | Application | Process |
|---|---|---|
| Dye Industry | Used as an acid dye for dyeing cotton, silk, wool, and other fibers | Direct dyeing in acidic medium; exhibits good leveling and wash fastness |
| Printing Industry | Used for ink coloring, particularly in gravure and flexographic printing | Formulated with resins and solvents into printing inks to enhance color saturation and adhesion |
| Chemical Reagents | Used as an indicator or reference standard in analytical chemistry | Exhibits color change at specific pH values for titration analysis or colorimetric determination |
| Biological Staining | Used for tissue sectioning or cell staining to support microscopic observation | Applied with fixatives to stain specific biological structures and improve contrast |
Manufacturing Quality Control of Azure B
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | UV-Vis Spectrophotometry | Quantifies thionin dye concentration based on absorbance at characteristic wavelength (e.g., ~610 nm) using Beer-Lambert law. |
| Moisture Content | Karl Fischer Titration | Measures water content via stoichiometric reaction between water and iodine in a methanolic reagent. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Determines total heavy metal content by atomizing sample and measuring absorption of specific elemental wavelengths. |
| Chloride Impurity | Potentiometric Titration with AgNO3 | Detects chloride ions by titration with silver nitrate, monitored via silver indicator electrode potential change. |
| Sulfate Impurity | Gravimetric Analysis | Precipitates sulfate as BaSO4 and determines mass after filtration and drying. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue remaining after high-temperature ashing. |
| pH of Aqueous Solution | pH Meter Measurement | Measures hydrogen ion activity in a standardized aqueous solution (e.g., 1% w/v) using calibrated glass electrode. |
| Solubility in Water | Visual Observation/Filter Test | Evaluates complete dissolution and clarity of a defined concentration in distilled water at specified temperature. |
| Organic Impurities (Related Substances) | HPLC-UV | Separates and quantifies structurally related compounds using reversed-phase chromatography and UV detection. |
| Iron Content | Colorimetric Spectrophotometry (1,10-Phenanthroline) | Forms orange-red complex with Fe2+; absorbance measured at ~510 nm for quantification. |
| Loss on Drying | Thermogravimetric Analysis (TGA) | Measures mass loss upon heating to remove volatile components under controlled temperature and time. |
| Bulk Density | Graduated Cylinder Method | Determines mass per unit volume by gently pouring sample into calibrated cylinder and measuring settled volume. |
Technical Specifications of Azure B
| Test Item | Specification |
|---|---|
| Appearance | Dark green crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.2% |
| Single Impurity | <=0.3% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
| Melting Point | 245-248 °C |
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 Azure B
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Azure B
Industrial Azure B 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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