9,9-Bis(4-aminophenyl)fluorene Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 15499-84-0 |
| Product name | 9,9-Bis(4-aminophenyl)fluorene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeMaterial GradeElectronic 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-Bis(4-aminophenyl)fluorene
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 9,9-Bis(4-aminophenyl)fluorene Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 9,9-Bis(4-aminophenyl)fluorene
| Industry | Application | Process |
|---|---|---|
| Polymer Materials | Monomer for synthesizing high-performance, high-temperature-resistant engineering plastics such as polyarylethersulfones and polyamides | Participates in condensation polymerization with dianhydrides to form polymer chains, enhancing thermal stability and mechanical properties |
| Electronic Materials | Hole-transport layer material in organic light-emitting diodes (OLEDs) | Functions as a functionalized aromatic amine monomer in solution processing or vacuum deposition to construct multilayer device architectures |
| Optoelectronic Functional Materials | Building block for organic semiconductor materials in organic solar cells | Engineered with conjugated structures for solution-based fabrication of active-layer thin films, optimizing charge-carrier mobility |
| High-End Coatings | Modifier for high-temperature-resistant coating resins to improve thermal stability and adhesion | Blended with epoxy resins or polyurethane prepolymers and thermally cured to form crosslinked network structures |
| Pharmaceutical Intermediates | Scaffold for synthesizing drug molecules containing fluorene motifs | Introduces specific functional groups via coupling reactions (e.g., Suzuki coupling) to construct complex molecular frameworks |
Manufacturing Quality Control of 9,9-Bis(4-aminophenyl)fluorene
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reversed-phase HPLC with UV detection at 254 nm, calibrated against certified reference standard. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water content based on the stoichiometric reaction of iodine with water in pyridine/methanol medium. |
| Residue on Ignition | Gravimetric Analysis | Measurement of non-volatile inorganic residue after high-temperature ashing at 700-800 C and weighing. |
| Heavy Metals | ICP-OES | Multi-element quantification of metallic impurities (e.g., Pb, Cd, Ni, Fe) by plasma emission spectroscopy after acid digestion. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride anion using suppressed conductivity detection after aqueous extraction. |
| Sulfated Ash | Gravimetric Analysis | Determination of inorganic sulfate residue after sulfuric acid treatment and ignition at 700 C. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition measurement using capillary tube method per USP <741> or ISO 6377. |
| Organic Volatile Impurities | GC-FID | Identification and quantification of residual solvents (e.g., DMF, toluene) via gas chromatography with flame ionization detection. |
| Color | Visual Comparison or Spectrophotometry | Assessment of solution color intensity in specified solvent (e.g., DMSO) against platinum-cobalt standards or at 430 nm absorbance. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry or wet dispersed sample using Mie scattering theory to determine D10, D50, D90 values. |
| Bulk Density | Tap Density Measurement | Determination of mass per unit volume after controlled tapping per ASTM D1895 Method A. |
| pH of Aqueous Suspension | pH Meter | Measurement of pH in a defined suspension (e.g., 1% w/v in water) using calibrated pH electrode. |
Technical Specifications of 9,9-Bis(4-aminophenyl)fluorene
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 275–279 °C |
| Total Impurities | <=2.0% (HPLC) |
| Single Impurity | <=0.5% (HPLC) |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
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-Bis(4-aminophenyl)fluorene
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 9,9-Bis(4-aminophenyl)fluorene
Safety Information of 9,9-Bis(4-aminophenyl)fluorene
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 9,9-Bis(4-aminophenyl)fluorene
Industrial 9,9-Bis(4-aminophenyl)fluorene 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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