2,7-Dibromo-9,9-dimethylfluorene Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 28320-32-3 |
| Product name | 2,7-Dibromo-9,9-dimethylfluorene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeElectronic GradeIndustrial 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-dimethylfluorene
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,7-Dibromo-9,9-dimethylfluorene 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-dimethylfluorene
| Industry | Application | Process |
|---|---|---|
| Electronic Materials | Organic Light-Emitting Diode (OLED) Materials | Synthesized via Suzuki coupling for high-performance fluorescent materials |
| Pharmaceutical Intermediates | Drug Synthesis Intermediates | Bromination to introduce reactive functional groups for subsequent transformations |
| Polymeric Materials | Functional Polymer Monomers | Prepared via free-radical polymerization or condensation polymerization for specialty polymers |
| Optical Materials | Fluorescent Probes and Sensor Development | Design and modification of environmentally responsive fluorescent molecules |
| Organic Synthesis | Multifunctional Building Blocks | Used in cross-coupling reactions to construct complex organic molecular frameworks |
Manufacturing Quality Control of 2,7-Dibromo-9,9-dimethylfluorene
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using UV detection at characteristic wavelength with external standard calibration. |
| Related Substances | HPLC-UV | Separation and detection of impurities relative to main peak using gradient elution and UV monitoring. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection for quantification of volatile organic solvents. |
| Water Content | Karl Fischer Titration | Volumetric titration based on iodine consumption in a moisture-specific redox reaction. |
| Heavy Metals | ICP-OES | Multi-element quantification after acid digestion using inductively coupled plasma optical emission spectroscopy. |
| Chloride Impurity | Ion Chromatography | Separation and conductivity detection of chloride anions in aqueous extract. |
| Sulfated Ash | Gravimetric Analysis | Incineration followed by weighing of non-volatile inorganic residue after sulfuric acid treatment. |
| Melting Point | Capillary Melting Point Apparatus | Thermal determination of solid-to-liquid transition range using calibrated capillary tube method. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of foreign particles under controlled lighting. |
| Bulk Density | Tap Density Tester | Measurement of mass per unit volume after standardized tapping of powder sample. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity to determine size distribution of dispersed particles. |
| Residual Palladium | ICP-MS | Ultra-trace quantification of palladium after microwave digestion using inductively coupled plasma mass spectrometry. |
Technical Specifications of 2,7-Dibromo-9,9-dimethylfluorene
| 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-dimethylfluorene
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2,7-Dibromo-9,9-dimethylfluorene
Safety Information of 2,7-Dibromo-9,9-dimethylfluorene
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 2,7-Dibromo-9,9-dimethylfluorene
Industrial 2,7-Dibromo-9,9-dimethylfluorene 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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