China Factory Direct
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| CAS number | 82-05-3 |
| Product name | Benzanthrone |
| 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Dye Industry | Synthesis of anthraquinone-based dye intermediates | Used to produce benzanthrone from anthraquinone via sulfonation, alkaline fusion, and oxidation; benzanthrone is subsequently employed in the synthesis of disperse dyes, acid dyes, etc. |
| Pigment Industry | Production of high-performance organic pigments | Serves as a key intermediate in condensation reactions to yield high-weatherability pigments such as Pigment Red 177 and Pigment Violet 23. |
| Organic Synthesis | Synthesis of fluorescent and optoelectronic materials | Applied in Friedel–Crafts alkylation, acylation, or cyclization reactions to construct polycyclic aromatic structures for OLED materials. |
| Research | Model compound for organic semiconductor materials | Utilized in charge transport performance studies; thin films are prepared via vacuum deposition or spin coating for optoelectronic characterization. |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies benzanthrone content by separation on a reversed-phase column and UV detection at ~400 nm. |
| Related Substances | HPLC-DAD | Identifies and quantifies structurally similar impurities using diode-array detection for spectral confirmation. |
| Moisture Content | Karl Fischer Titration | Determines water content via coulometric or volumetric titration with iodine-based reagent. |
| Residue on Ignition | Gravimetric Analysis | Measures inorganic ash content after high-temperature incineration and weighing of residual residue. |
| Heavy Metals (as Pb) | AAS | Quantifies total heavy metals by atomic absorption spectroscopy after acid digestion and chelation. |
| Chlorinated Impurities | GC-ECD | Detects trace chlorinated compounds using gas chromatography with electron-capture detection. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid benzanthrone transitions to liquid phase. |
| Solubility in Common Solvents | Visual Observation/Filter Test | Evaluates dissolution behavior and clarity in solvents like toluene, chloroform, or DMF. |
| Particle Size Distribution | Laser Diffraction | Measures size distribution of solid particles in suspension using light scattering principles. |
| Bulk Density | Graduated Cylinder Method | Calculates mass per unit volume of freely settled powder in a standardized cylinder. |
| pH of Aqueous Suspension | pH Meter | Measures hydrogen ion activity in a defined water-suspension slurry using calibrated electrode. |
| Sulfated Ash | Gravimetric Analysis | Determines inorganic residue after ignition with sulfuric acid pretreatment to convert metals to sulfates. |
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 175–179 °C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.