Direct Blue 151 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 110735-25-6 |
| Product name | Direct Blue 151 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty GradeMaterial 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 Direct Blue 151
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Direct Blue 151 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Direct Blue 151
| Industry | Application | Process |
|---|---|---|
| Textile Industry | Dyeing | Used for dyeing cotton fibers and cotton-blend fabrics |
| Dyeing and Printing Industry | Color Matching and Sample Preparation | Enables rapid color matching and sample production |
| Printing Ink | Pigment | Used in the formulation of blue printing inks |
| Plastics Industry | Colorant | Provides blue coloration to plastic products |
| Coatings Industry | Colorant | Used as a blue pigment in coatings |
Manufacturing Quality Control of Direct Blue 151
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reversed-phase HPLC with UV detection at characteristic wavelength, calibrated against certified reference standard. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration based on the reaction of iodine with water in a controlled anhydrous medium. |
| Residue on Ignition | Gravimetric Analysis | Measurement of non-volatile inorganic residue after high-temperature ashing at 500-600 C. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification of trace metals by measuring atomic emission intensities after plasma excitation. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride anions using anion-exchange column and conductivity detection. |
| Sulfate Impurity | Barium Sulfate Gravimetry | Precipitation of sulfate as BaSO4 followed by filtration, drying, and weighing of the insoluble residue. |
| Organic Volatile Impurities | GC-FID | Separation and quantification of residual solvents via gas chromatography with flame ionization detection. |
| Color Value | Visual Comparison or Spectrophotometry | Comparison of sample solution color intensity against platinum-cobalt standard scale or measurement of absorbance at specified wavelength. |
| pH of Aqueous Solution | Potentiometric Measurement | Determination of hydrogen ion activity using calibrated pH electrode in a defined aqueous suspension or solution. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity to calculate particle size distribution in dispersed solid sample. |
| Bulk Density | Weight/Volume Method | Mass of material per unit volume measured under standardized tapping or untapped conditions. |
| Solubility in Water | Visual Observation and Filtration | Qualitative assessment of complete dissolution in specified volume of water at defined temperature, followed by visual inspection and filtration if needed. |
Technical Specifications of Direct Blue 151
| Test Item | Specification |
|---|---|
| Appearance | Dark blue to black powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.3% |
| Solubility | Soluble in water with blue to violet hue; insoluble in non-polar solvents |
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 Direct Blue 151
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Direct Blue 151
Industrial Direct Blue 151 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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