INDANTHRENE BLACK BBN Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 6369-65-9 |
| Product name | INDANTHRENE BLACK BBN |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty 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 INDANTHRENE BLACK BBN
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk INDANTHRENE BLACK BBN Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of INDANTHRENE BLACK BBN
| Industry | Application | Process |
|---|---|---|
| Dyeing and Printing Industry | Leuco Black BBN is a vat dye primarily used for dyeing cellulosic fibers such as cotton and viscose, especially for deep shades and black. | During dyeing, Leuco Black BBN is reduced and dissolved under alkaline conditions, then oxidized on the fabric to develop and fix the color. |
| Chemical Industry | Used as an intermediate in the synthesis of other dyes or chemical products. | Chemically converted into other functional compounds via reaction. |
| Textile Industry | Applied as a black dye for textile dyeing. | Processed via vat dyeing: the dye is reduced and dissolved, diffused into the fibers, then oxidized to fix the color. |
Manufacturing Quality Control of INDANTHRENE BLACK BBN
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reverse-phase HPLC with UV detection at characteristic wavelength. |
| Moisture Content | Karl Fischer Titration | Measures water content via coulometric or volumetric titration with iodine-based reagent. |
| Ash Content | Gravimetric Analysis | Determines inorganic residue after high-temperature incineration and weighing. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-MS | Quantifies trace metals by ionization in plasma and mass spectrometric detection. |
| Chloride Impurity | Potentiometric Titration | Measures chloride ions using silver nitrate titrant and silver indicator electrode. |
| Sulfate Impurity | Gravimetric Analysis | Precipitates sulfate as barium sulfate and determines mass after filtration and drying. |
| pH of Aqueous Solution | pH Meter Measurement | Measures hydrogen ion activity in 1% w/v aqueous suspension using calibrated pH electrode. |
| Particle Size Distribution | Laser Diffraction | Analyzes size distribution by measuring angular variation in laser light scattering. |
| Bulk Density | ASTM D1895 Method A | Determines mass per unit volume using standardized cylinder and tapping procedure. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile residue after heating at 500-600 C for specified time. |
| Organic Volatile Impurities | GC-FID | Detects and quantifies residual solvents using gas chromatography with flame ionization detection. |
| Color Value (APHA) | Visual Comparison or Spectrophotometry | Evaluates color intensity against platinum-cobalt standard scale using spectrophotometer at 430 nm. |
Technical Specifications of INDANTHRENE BLACK BBN
| Test Item | Specification |
|---|---|
| Appearance | Black 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 | <=0.3% |
| Odor | Characteristic odor |
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 INDANTHRENE BLACK BBN
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of INDANTHRENE BLACK BBN
Industrial INDANTHRENE BLACK BBN 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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