4,4'-Biphenyldiboronic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 4151-80-8 |
| Product name | 4,4'-Biphenyldiboronic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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'-Biphenyldiboronic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4,4'-Biphenyldiboronic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4,4'-Biphenyldiboronic acid
| Industry | Application | Process |
|---|---|---|
| Chemical Intermediates | Key reagent in Suzuki-Miyaura cross-coupling reactions | Used as an aryl boronic acid monomer or reagent to react with aryl halides under palladium catalysis for synthesizing biphenyl compounds or polymers |
| Electronics/Opto-electronic Materials | Synthesis of OLED (organic light-emitting diode) materials | Applied in coupling reactions to construct hole-transport materials or host materials for emissive layers containing biphenyl motifs |
| Pharmaceutical Chemicals | Pharmaceutical building block | Employed in synthesizing active pharmaceutical ingredients (APIs) featuring a biphenyl scaffold, such as anti-inflammatory or antitumor drug intermediates |
| Advanced Materials | Synthesis of covalent organic frameworks (COFs) | Utilized as a linear diboronic acid monomer in condensation reactions with polyols or diols to construct porous crystalline materials |
| Organic Synthesis | Carbon–carbon bond formation reagent | Applied in synthesizing high-purity aromatic derivatives for producing high-performance polymers or liquid crystal materials |
Manufacturing Quality Control of 4,4'-Biphenyldiboronic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reverse-phase HPLC with UV detection at 254 nm, comparing peak area against a certified reference standard. |
| Related Substances | HPLC-UV | Separation and detection of impurities by HPLC-UV; identification and quantification relative to main peak using response factors or reference standards. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection to quantify volatile organic solvents based on calibrated external standards. |
| Water Content | Karl Fischer Titration | Electrochemical titration with iodine reagent to determine water content via stoichiometric reaction with iodine and sulfur dioxide in pyridine/methanol medium. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element detection after acid digestion; quantification by atomic emission intensity at characteristic wavelengths relative to calibration curve. |
| Chloride Impurity | Ion Chromatography | Separation of anions on ion-exchange column with suppressed conductivity detection; quantified using chloride standard calibration. |
| Sulfate Impurity | Ion Chromatography | Same as chloride but optimized for sulfate elution and detection using conductivity measurement. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed visually or automatically as the temperature range over which solid transforms to liquid. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of foreign particles under controlled white light against defined standards. |
| Loss on Drying | Gravimetric Analysis | Mass loss measured after drying sample at specified temperature (e.g., 105 C) under vacuum or nitrogen until constant weight. |
| Residue on Ignition | Gravimetric Analysis | Mass of non-volatile inorganic residue after high-temperature ashing (e.g., 600 C) of sample in platinum crucible. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity vs. angle to calculate volume-based particle size distribution using Mie theory. |
Technical Specifications of 4,4'-Biphenyldiboronic acid
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 245–249 °C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| 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'-Biphenyldiboronic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4,4'-Biphenyldiboronic acid
Packaging of 4,4'-Biphenyldiboronic acid
Industrial 4,4'-Biphenyldiboronic acid 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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