China Factory Direct
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| CAS number | 84632-50-8 |
| Product name | Benzonitrile, 3,3-(2,3,5,6-tetrahydro-3,6-dioxopyrrolo3,4-cpyrrole-1,4-diyl)bis- |
| 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Applications | Processing Methods |
|---|---|---|
| Coatings | Industrial coatings, automotive refinish coatings, high-performance topcoats | Grinding and dispersion of coatings; spray application |
| Plastics | Coloration of engineering plastics such as polyvinyl chloride (PVC), polyethylene (PE), and polypropylene (PP) | Extrusion, injection molding |
| Printing Inks | Packaging printing inks, publication gravure inks | Gravure printing, flexographic printing |
| Others | Masterbatch production | Compounding, pelletizing |
| Detection Item | Common Analytical Method | Method Overview |
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| Purity (main component) | HPLC-UV | Quantifies the primary pigment peak using reverse-phase chromatography 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 of residual ash. |
| pH of Aqueous Extract | pH Meter Measurement | Measures hydrogen ion activity in a standardized aqueous suspension of the pigment. |
| Residue on Sieve (45 um) | Dry Sieving | Evaluates particle size distribution by measuring mass retained on a 45 um stainless steel sieve. |
| Heavy Metals (Pb, Cd, Hg, Cr) | ICP-OES | Simultaneously quantifies trace metal impurities after acid digestion using plasma emission spectroscopy. |
| Water Soluble Salts | Conductivity Measurement | Estimates soluble electrolyte content by measuring electrical conductivity of aqueous extract. |
| Color Strength (Tinting Strength) | Reflectance Spectrophotometry | Compares relative color intensity against a standard using Kubelka-Munk transformed reflectance data. |
| Lightfastness | Xenon Arc Weatherometer Testing | Assesses color stability under controlled UV/visible radiation and humidity per ISO 105-B02. |
| Heat Stability | Thermogravimetric Analysis (TGA) | Evaluates weight loss and decomposition onset temperature under nitrogen atmosphere. |
| Organic Volatile Impurities | Gas Chromatography (GC-FID) | Detects and quantifies residual solvents or synthesis by-products using flame ionization detection. |
| Bulk Density | ASTM D1895 Method A | Measures mass per unit volume of freely settled powder in a standardized cylinder. |
| Test Item | Specification |
|---|---|
| Appearance | Orange crystalline powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.3% |
| Solubility | Insoluble in water; soluble in chlorinated hydrocarbons and aromatic solvents |
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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.