1,4-Benzenediboronic acid bis(pinacol) ester Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 99770-93-1 |
| Product name | 1,4-Benzenediboronic acid bis(pinacol) ester |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeElectronic GradeIndustrial 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 1,4-Benzenediboronic acid bis(pinacol) ester
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,4-Benzenediboronic acid bis(pinacol) ester Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,4-Benzenediboronic acid bis(pinacol) ester
| Industry | Application | Process |
|---|---|---|
| Materials Science | As an organic synthesis intermediate | Used in the synthesis of high-performance polymers such as polyaryletherketones |
| Electronic Chemicals | For liquid crystal material preparation | Introduced into molecular structures via esterification or condensation reactions |
| Pharmaceutical Industry | As a pharmaceutical synthesis intermediate | Participates in constructing the molecular scaffold of boron-containing drugs |
| Functional Materials | For functionalized resin preparation | Used as a crosslinker or modifier during polymerization |
| Fine Chemicals | For specialty surfactant synthesis | Ester groups contribute to hydrophilic–hydrophobic structure construction |
Manufacturing Quality Control of 1,4-Benzenediboronic acid bis(pinacol) ester
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 254 nm, comparing peak area to a certified reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of impurities by HPLC-UV using gradient elution and relative response factors. |
| 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 using iodine generation to determine water content via stoichiometric reaction with Karl Fischer reagent. |
| Heavy Metals | ICP-OES | Multi-element quantification of toxic metals after acid digestion, using plasma excitation and element-specific emission wavelengths. |
| Chloride Impurity | Ion Chromatography | Separation and conductivity detection of chloride ions in aqueous extract using anion-exchange column and suppressor system. |
| Residue on Ignition | Gravimetric Analysis | Mass measurement of non-volatile residue after high-temperature ashing at 700-800 C in a muffle furnace. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition determination by observing solid-to-liquid phase change under controlled heating rate. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against established reference standards under controlled lighting. |
| Bulk Density | USP <616> Method I | Measurement of mass per unit volume using a calibrated graduated cylinder and tapping apparatus. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity to calculate size distribution based on Mie theory. |
| pH of Aqueous Suspension | pH Meter | Measurement of hydrogen ion activity in a defined suspension (e.g., 1% w/v in water) using calibrated pH electrode. |
Technical Specifications of 1,4-Benzenediboronic acid bis(pinacol) ester
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline solid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 178–182°C |
| 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 1,4-Benzenediboronic acid bis(pinacol) ester
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,4-Benzenediboronic acid bis(pinacol) ester
Safety Information of 1,4-Benzenediboronic acid bis(pinacol) ester
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 1,4-Benzenediboronic acid bis(pinacol) ester
Industrial 1,4-Benzenediboronic acid bis(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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