9,9-Diphenylfluorene Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 20302-14-1 |
| Product name | 9,9-Diphenylfluorene |
| 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 9,9-Diphenylfluorene
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 9,9-Diphenylfluorene Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 9,9-Diphenylfluorene
| Industry | Application | Process |
|---|---|---|
| Organic Light-Emitting Diodes (OLEDs) | Hole transport layer (HTL) material, host material, and dopant matrix for blue/deep-blue emissive layers | Deposited as thin films via vacuum thermal evaporation or solution spin-coating; serves as charge carrier transport and emissive host to enhance device efficiency and operational lifetime |
| Optoelectronic Materials | Active layer material for organic thin-film transistors (OTFTs) | Fabricated into thin films using solution-based processes; leverages high thermal stability and favorable charge carrier mobility |
| Polymer Synthesis | Rigid, hydrophobic structural unit in polyfluorene-based conjugated polymers, improving backbone thermal stability and glass transition temperature (Tg) | Integrated into the polymer backbone via Suzuki or Yamamoto coupling reactions to enhance processability and film-forming properties |
| Fluorescent Probes and Sensors | Building block for fluorescent sensing platforms targeting metal ions (e.g., Fe³⁺, Hg²⁺) or nitroaromatic explosives | Recognition groups introduced via functionalization of the 9,9-diphenylfluorene scaffold; enables detection through fluorescence quenching or enhancement mechanisms |
Manufacturing Quality Control of 9,9-Diphenylfluorene
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by comparison of peak area against a certified reference standard using reversed-phase chromatography and UV detection at 254 nm. |
| Related Substances | HPLC-UV | Separation and quantification of structurally similar impurities (e.g., fluorene, diphenylamine, mono-substituted intermediates) using gradient HPLC-UV. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection to quantify volatile organic solvents (e.g., toluene, THF, methanol) based on retention time and peak area. |
| Moisture Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine water content via stoichiometric reaction with iodine and sulfur dioxide in pyridine/methanol medium. |
| Heavy Metals | ICP-OES | Multi-element determination of Pb, Cd, Hg, As, and Cr after acid digestion, based on atomic emission intensities at characteristic wavelengths. |
| Chloride Content | Ion Chromatography | Separation and quantification of chloride ions using anion-exchange column and suppressed conductivity detection. |
| Sulfated Ash | Gravimetric Analysis | Ignition of sample at 700-800 C followed by sulfuric acid treatment and final weighing of non-volatile residue. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, observed visually or automatically via optical detection. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of foreign particles under controlled white light against standard reference. |
| Loss on Drying | Thermogravimetric Analysis (TGA) | Measurement of mass loss upon heating under nitrogen or air to evaluate volatile content and thermal stability up to 150 C. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity as a function of angle to calculate size distribution of dry or dispersed powder. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light passing through a solution, indicating chiral purity (though compound is achiral, used to detect chiral contaminants). |
Technical Specifications of 9,9-Diphenylfluorene
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 162–166°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Consistent with structure |
| 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 9,9-Diphenylfluorene
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 9,9-Diphenylfluorene
Packaging of 9,9-Diphenylfluorene
Industrial 9,9-Diphenylfluorene 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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