3-(9H-Carbazole-9-yl)-9H-carbazole Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 18628-07-4 |
| Product name | 3-(9H-Carbazole-9-yl)-9H-carbazole |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeElectronic GradeReagent Grade |
| Packaging | 25KG/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 3-(9H-Carbazole-9-yl)-9H-carbazole
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3-(9H-Carbazole-9-yl)-9H-carbazole Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3-(9H-Carbazole-9-yl)-9H-carbazole
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as a pharmaceutical intermediate in the synthesis of antidepressants and other psychotropic drugs | Organic synthesis reactions |
| Electronic Materials | Used as an emissive material or hole-transport material in organic light-emitting diodes (OLEDs) | Vacuum thermal evaporation or solution coating |
| Optical Materials | Used in the preparation of nonlinear optical materials | Material doping or polymer compositing |
| Analytical Chemistry | Used as a stationary phase or mobile phase additive in high-performance liquid chromatography (HPLC) | Chromatographic separation techniques |
| Polymer Chemical Industry | Used as a functional monomer in the synthesis of high-performance polymers | Free-radical polymerization or condensation polymerization |
Manufacturing Quality Control of 3-(9H-Carbazole-9-yl)-9H-carbazole
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies 3,9'-bicarbazole by separation on a reversed-phase column and UV absorbance detection at ~350 nm, comparing peak area to a certified reference standard. |
| Residual Solvents | GC-FID | Separates and quantifies volatile organic solvents (e.g., toluene, DMF) using gas chromatography with flame ionization detection against calibrated standards. |
| Heavy Metals (as Pb) | ICP-OES | Measures total elemental metal impurities (e.g., Pb, Cd, Ni, Fe) after acid digestion via inductively coupled plasma optical emission spectrometry. |
| Water Content | Karl Fischer Titration | Determines trace water by coulometric or volumetric titration with iodine-based reagent, based on the stoichiometric reaction of water with iodine and sulfur dioxide. |
| Melting Point | Capillary Melting Point Apparatus | Measures temperature range at which solid 3,9'-bicarbazole transitions to liquid, indicating crystallinity and presence of low-melting impurities. |
| Chloride Impurity | Ion Chromatography (IC) | Separates and quantifies chloride anions after sample dissolution and filtration, using conductivity detection and external calibration. |
| Residue on Ignition | Gravimetric Analysis | Determines non-volatile inorganic residue by high-temperature ashing (500–600 °C) followed by precise weighing of the residual ash. |
| Related Substances | HPLC-UV (with gradient elution) | Identifies and quantifies structurally related impurities (e.g., mono-carbazole, carbazole dimers) using optimized reverse-phase HPLC with UV detection. |
| Appearance | Visual Inspection | Assesses physical state, color, and homogeneity of the bulk material against established reference standards under controlled lighting conditions. |
| Bulk Density | ASTM D1895 Method A | Measures mass per unit volume of freely settled powder using a calibrated cylinder and balance, per standardized industrial practice. |
| Particle Size Distribution | Laser Diffraction | Determines size distribution of solid particles in suspension or dry dispersion by analyzing angular scattering pattern of laser light. |
| Sulfated Ash | Gravimetric Analysis | Quantifies inorganic sulfate residues after carbonization and sulfuric acid treatment, followed by high-temperature ignition and weighing. |
| Optical Rotation | Polarimetry | Measures specific rotation of chiral impurities (if present) in solution using sodium D-line light, though typically near zero for achiral 3,9'-bicarbazole. |
| UV-Vis Absorption Profile | UV-Visible Spectrophotometry | Verifies characteristic absorption maxima and spectral shape (e.g., λmax ~220, 290, 350 nm) in dilute solution to confirm molecular integrity and absence of chromophoric degradation products. |
Technical Specifications of 3-(9H-Carbazole-9-yl)-9H-carbazole
| Test Item | Specification |
|---|---|
| Appearance | Gray solid |
| Purity | >=98.0% (LC-MS) |
| Melting Point | 325–330 °C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Heavy Metals | <=10 ppm |
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 3-(9H-Carbazole-9-yl)-9H-carbazole
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3-(9H-Carbazole-9-yl)-9H-carbazole
Safety Information of 3-(9H-Carbazole-9-yl)-9H-carbazole
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 3-(9H-Carbazole-9-yl)-9H-carbazole
Industrial 3-(9H-Carbazole-9-yl)-9H-carbazole 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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