2-Naphthalenol, 6,6'-(9H-fluoren-9-ylidene)bis- Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 934557-66-1 |
| Product name | 2-Naphthalenol, 6,6'-(9H-fluoren-9-ylidene)bis- |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty 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-Naphthalenol, 6,6'-(9H-fluoren-9-ylidene)bis-
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-Naphthalenol, 6,6'-(9H-fluoren-9-ylidene)bis- Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2-Naphthalenol, 6,6'-(9H-fluoren-9-ylidene)bis-
| Industry | Application | Process Description |
|---|---|---|
| Pharmaceuticals | Pharmaceutical Intermediates | Used as a fluorenyl-based linking structural unit in the synthesis of certain drug molecules to construct complex organic molecular frameworks |
| Materials Science | Organic Optoelectronic Materials | Applied as a structural unit in the preparation of hole-transport or emissive layers for organic light-emitting diode (OLED) materials |
| Polymer Chemistry | Polymer Synthesis | Employed as a bifunctional monomer in condensation polymerization to build functional polymers containing fluorenyl structures |
| Chemical Research | Organic Synthesis Intermediates | Used to construct polycyclic aromatic compounds or as a synthetic precursor for complex organic molecules |
Manufacturing Quality Control of 2-Naphthalenol, 6,6'-(9H-fluoren-9-ylidene)bis-
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at characteristic wavelength, calibrated against certified reference standard. |
| Related Substances | HPLC-DAD | Separation and identification of impurities using HPLC coupled with diode-array detection; peak purity and relative response factors applied. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection to quantify volatile organic solvents based on retention time and calibration curves. |
| Moisture Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine water content via stoichiometric reaction. |
| Heavy Metals | ICP-MS | Inductively coupled plasma mass spectrometry for trace-level quantification of elemental impurities including Pb, Cd, Hg, As, and others. |
| Chloride Content | Ion Chromatography | Separation and quantification of chloride ions using suppressed conductivity detection after anion exchange separation. |
| Sulfated Ash | Gravimetric Analysis | Combustion at 700-800 C followed by sulfuric acid treatment and weighing of residual inorganic ash. |
| Melting Point | Capillary Melting Point Apparatus | Thermal determination of solid-to-liquid transition temperature using calibrated capillary apparatus per USP <741>. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of foreign particles under controlled white light against established reference standards. |
| Particle Size Distribution | Laser Diffraction | Measurement of particle size distribution in suspension using Mie scattering theory and optical diffraction patterns. |
| Bulk Density | Tap Density Tester | Determination of mass per unit volume after standardized tapping procedure per ASTM D1895. |
| Residue on Ignition | Gravimetric Analysis | Weighing of non-volatile residue after ignition at 600 C in a muffle furnace, following USP <281>. |
Technical Specifications of 2-Naphthalenol, 6,6'-(9H-fluoren-9-ylidene)bis-
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.5% (LC-MS) |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 245–249°C |
| Identification (NMR) | Conforms to reference spectrum |
| Identification (IR) | Conforms to reference spectrum |
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-Naphthalenol, 6,6'-(9H-fluoren-9-ylidene)bis-
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2-Naphthalenol, 6,6'-(9H-fluoren-9-ylidene)bis-
Packaging of 2-Naphthalenol, 6,6'-(9H-fluoren-9-ylidene)bis-
Industrial 2-Naphthalenol, 6,6'-(9H-fluoren-9-ylidene)bis- 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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