9,9-Spirodifluorene-2-Boronic acid pinacol ester Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 884336-44-1 |
| Product name | 9,9-Spirodifluorene-2-Boronic acid pinacol ester |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeElectronic GradeReagent GradeIndustrial 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 9,9-Spirodifluorene-2-Boronic acid pinacol ester
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 9,9-Spirodifluorene-2-Boronic acid pinacol ester Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 9,9-Spirodifluorene-2-Boronic acid pinacol ester
| Industry | Application | Process |
|---|---|---|
| Organic Electronic Materials | Synthesizing high-performance organic light-emitting diode (OLED) materials | Introducing spirobifluorene structures via Suzuki or Negishi cross-coupling to construct efficient emissive layers |
| Polymeric Materials | Functioning as a functional monomer for producing heat-resistant, highly transparent polymers | Incorporating into polymer backbones via palladium-catalyzed cross-coupling to enhance thermal stability and optoelectronic properties |
| Optoelectronic Functional Materials | Preparing organic semiconductor materials and organic field-effect transistors (OFETs) | Constructing conjugated systems via Stille or Buchwald–Hartwig cross-coupling to optimize charge-carrier mobility |
| Fluorescent Probes and Sensors | Serving as fluorescent labels for bioimaging or environmental monitoring | Leveraging strong fluorescence; attaching recognition groups via chemical modification to enable selective detection |
| Novel Catalyst Ligands | Functioning as boronate-based ligands in transition-metal-catalyzed reactions | Acting as stable, tunable ligands in palladium-catalyzed carbon–carbon bond formation reactions |
Manufacturing Quality Control of 9,9-Spirodifluorene-2-Boronic acid pinacol ester
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reverse-phase chromatography with UV detection at characteristic wavelength (e.g., 254 nm) and external standard calibration. |
| Residual Solvents | GC-FID | Separates and quantifies volatile organic solvents (e.g., THF, toluene, methanol) by gas chromatography with flame ionization detection against certified standards. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-MS | Detects trace metallic impurities via inductively coupled plasma mass spectrometry after acid digestion and dilution; offers sub-ppt sensitivity. |
| Water Content | Karl Fischer Titration (Coulometric) | Determines water content electrochemically by iodine generation and stoichiometric reaction with water in anhydrous methanol-based medium. |
| Residual Boron | ICP-OES | Measures total boron content after microwave-assisted nitric/hydrochloric acid digestion using optical emission from excited boron atoms at 249.773 nm. |
| Chloride Impurity | Ion Chromatography (IC) | Separates and quantifies chloride anions using suppressed conductivity detection after aqueous extraction and filtration. |
| Appearance & Color | Visual Inspection / APHA Color Scale | Assesses physical state (crystalline powder), color (white to off-white), and clarity per USP <1091> or APHA scale (≤30 units). |
| Melting Point | DSC (Differential Scanning Calorimetry) | Determines onset and range of melting endotherm under controlled nitrogen purge; confirms identity and crystallinity. |
| Residual Palladium | ICP-MS | Quantifies trace Pd from cross-coupling synthesis catalysts after closed-vessel microwave digestion and isotopic dilution (¹⁰⁵Pd/¹⁰⁶Pd). |
Technical Specifications of 9,9-Spirodifluorene-2-Boronic acid pinacol ester
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (LC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 245–249°C |
| 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-Spirodifluorene-2-Boronic acid pinacol ester
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 9,9-Spirodifluorene-2-Boronic acid pinacol ester
Safety Information of 9,9-Spirodifluorene-2-Boronic acid pinacol ester
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 9,9-Spirodifluorene-2-Boronic acid pinacol ester
Industrial 9,9-Spirodifluorene-2-Boronic acid pinacol ester 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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