2,7-Dibromo-9,9-diphenylfluororene Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 186259-63-2 |
| Product name | 2,7-Dibromo-9,9-diphenylfluororene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeElectronic 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) |
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Documents We Provide for 2,7-Dibromo-9,9-diphenylfluororene
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,7-Dibromo-9,9-diphenylfluororene Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2,7-Dibromo-9,9-diphenylfluororene
| Industry | Application | Process |
|---|---|---|
| Organic Light-Emitting Diodes (OLEDs) | Used as a precursor or intermediate for blue-emitting materials | Synthesized into conjugated polymers or small-molecule emissive layer materials via Suzuki coupling, Ullmann coupling, or direct halogenation |
| Organic Semiconductors | Used to prepare high-mobility hole-transport materials | Processed into thin films via chemical vapor deposition (CVD) or solution spin-coating for use as the active layer in organic field-effect transistors (OFETs) |
| Fluorescent Probes | Employed as a rigid aromatic scaffold to construct fluorescent molecules with high quantum yield | Functionalized (e.g., with amino or carboxyl groups) for biological imaging or sensing applications |
| Organometallic Chemistry | Used as a ligand precursor for synthesizing transition metal complexes | Coordinated with metals such as palladium or platinum at bromine sites to construct photocatalytic or electrocatalytic systems |
Manufacturing Quality Control of 2,7-Dibromo-9,9-diphenylfluororene
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reversed-phase HPLC with UV detection at 254 nm based on peak area comparison against reference standard. |
| Related Substances | HPLC-UV | Identifies and quantifies impurities by retention time and peak area relative to main peak using gradient elution. |
| Residual Solvents | GC-FID | Separates and quantifies volatile organic solvents using capillary GC with flame ionization detection. |
| Water Content | Karl Fischer Titration | Measures trace water via coulometric or volumetric titration using iodine-based redox reaction in anhydrous methanol medium. |
| Heavy Metals | ICP-MS | Detects trace metal contaminants (e.g., Pb, Cd, Ni) by plasma ionization followed by mass spectrometric quantification. |
| Chloride Content | Ion Chromatography | Separates and quantifies chloride ions using suppressed conductivity detection after anion exchange separation. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range of solid-to-liquid transition using controlled heating and visual observation of phase change. |
| Appearance | Visual Inspection | Evaluates physical state, color, and presence of foreign particles under standardized white light and viewing conditions. |
| Loss on Drying | Gravimetric Analysis | Measures volatile content by weight loss after drying at specified temperature and time under vacuum or nitrogen. |
| Residue on Ignition | Sulfated Ash Test | Quantifies non-volatile inorganic residue after high-temperature combustion in presence of sulfuric acid. |
| Particle Size Distribution | Laser Diffraction | Determines size distribution by analyzing angular scattering pattern of laser beam passing through dispersed sample. |
| Bulk Density | ASTM D1895 | Measures mass per unit volume of freely settled powder using calibrated cylinder and balance according to standard procedure. |
Technical Specifications of 2,7-Dibromo-9,9-diphenylfluororene
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 245–249 °C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Conforms to reference spectrum |
| Residue on Ignition | <=0.1% |
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 2,7-Dibromo-9,9-diphenylfluororene
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2,7-Dibromo-9,9-diphenylfluororene
Packaging of 2,7-Dibromo-9,9-diphenylfluororene
Industrial 2,7-Dibromo-9,9-diphenylfluororene 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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