4,4'-(9H-Fluoren-9-ylidene)bis(2-chlorobenzenamine) Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 107934-68-9 |
| Product name | 4,4'-(9H-Fluoren-9-ylidene)bis(2-chlorobenzenamine) |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeElectronic 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 4,4'-(9H-Fluoren-9-ylidene)bis(2-chlorobenzenamine)
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4,4'-(9H-Fluoren-9-ylidene)bis(2-chlorobenzenamine) Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4,4'-(9H-Fluoren-9-ylidene)bis(2-chlorobenzenamine)
| Industry | Application | Process |
|---|---|---|
| Electronic Materials | Synthesis of high-performance polyimide (PI) and polyamide (PA) resins | Used as a diamine monomer in condensation polymerization to produce heat-resistant polymers with high glass transition temperatures |
| Optoelectronic Materials | Intermediate for organic light-emitting diode (OLED) and liquid crystal display (LCD) materials | Employed in coupling or condensation reactions to construct functional molecules featuring a rigid fluorene backbone |
| Polymeric Materials | Synthesis of chlorinated specialty engineering plastics | Reacted with aromatic dianhydrides or diacid chlorides to incorporate chlorine atoms, thereby tuning solubility, dielectric properties, and thermal stability |
| Membrane Materials | Production of gas separation membranes or nanofiltration membranes | Incorporated as a structural unit in polyimide membrane synthesis; its rigid structure enhances membrane selectivity and permeability |
Manufacturing Quality Control of 4,4'-(9H-Fluoren-9-ylidene)bis(2-chlorobenzenamine)
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 254 nm, calibrated against certified reference standard. |
| Related Substances | HPLC-DAD | Separation and identification of impurities using HPLC coupled with diode array detection; peak purity and threshold evaluation per ICH Q3B. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection to quantify residual solvents (e.g., DMF, toluene) per ICH Q3C. |
| Moisture Content | Karl Fischer Titration | Coulometric or volumetric titration measuring water content via iodine-sulfur dioxide reaction in pyridine/methanol medium. |
| Heavy Metals | ICP-MS | Multi-element quantification of Pb, Cd, Hg, As, and others after acid digestion, based on USP <233> and ICH Q2(R2). |
| Chloride Content | Ion Chromatography | Separation and quantification of chloride ions using suppressed conductivity detection after sample dissolution and filtration. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid-to-liquid transition temperature range using calibrated capillary apparatus per USP <741>. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of foreign particles under controlled white light and against standard references. |
| Solubility | Gravimetric Dissolution Test | Qualitative/quantitative assessment of solubility in specified solvents (e.g., DMF, chloroform) by visual observation and residue measurement. |
| Residue on Ignition | Gravimetric Analysis | Measurement of inorganic ash content after high-temperature incineration (700-800 C) and weighing of residual mass. |
| Bulk Density | Tap Density Tester | Determination of mass per unit volume after standardized tapping procedure per USP <616>. |
| Particle Size Distribution | Laser Diffraction | Analysis of particle size distribution in dispersed phase using Mie scattering theory and validated instrument calibration. |
Technical Specifications of 4,4'-(9H-Fluoren-9-ylidene)bis(2-chlorobenzenamine)
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline solid |
| Purity | >=98.0% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 245–250 °C |
| 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 4,4'-(9H-Fluoren-9-ylidene)bis(2-chlorobenzenamine)
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4,4'-(9H-Fluoren-9-ylidene)bis(2-chlorobenzenamine)
Safety Information of 4,4'-(9H-Fluoren-9-ylidene)bis(2-chlorobenzenamine)
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 4,4'-(9H-Fluoren-9-ylidene)bis(2-chlorobenzenamine)
Industrial 4,4'-(9H-Fluoren-9-ylidene)bis(2-chlorobenzenamine) 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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