3-Pyridylboronic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1692-25-7 |
| Product name | 3-Pyridylboronic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial 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 3-Pyridylboronic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3-Pyridylboronic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3-Pyridylboronic acid
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Synthesis of pharmaceutical intermediates | Used in Suzuki coupling reactions |
| Agrochemical Industry | Preparation of pyridine-containing agrochemicals | Applied in aromatic substitution reactions involving boronic acids |
| Materials Science | Preparation of organic optoelectronic materials | Applied in metal-catalyzed cross-coupling reactions |
| Dye Industry | Synthesis of dye intermediates | Applied in boronic esterification and subsequent transformations |
| Chemical Research | Used as an organic synthesis reagent | Applied in various coupling and functionalization reactions |
Manufacturing Quality Control of 3-Pyridylboronic acid
| Test Item | Common Test Method | Method Summary |
|---|---|---|
| Appearance | Visual Inspection | Observe the sample's color and physical state (typically white to off-white crystalline powder) under natural or standard lighting conditions. |
| Melting Point | Capillary Melting Point Method | Determine the melting temperature range using a melting point apparatus; the typical melting point of pyridine-3-boronic acid is approximately 138–142 °C. |
| Identification | Infrared Spectroscopy (IR) | Record the infrared absorption spectrum of the sample and compare it with reference spectra to confirm characteristic functional groups (e.g., B–OH, pyridine ring). |
| Proton Nuclear Magnetic Resonance (¹H NMR) | Acquire the ¹H NMR spectrum in a deuterated solvent to verify structural features such as protons on the pyridine ring and boronic acid group. | |
| Assay | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column with an appropriate mobile phase (e.g., methanol/water or acetonitrile/buffer salt) for separation, UV detection, and external standard method for quantification; typically requires ≥98.0% purity. |
| Related Substances | High-Performance Liquid Chromatography (HPLC) | Using the same or optimized gradient elution conditions as the assay method to detect and quantify potential impurities (e.g., unreacted starting materials, oxidation products); individual impurity usually ≤0.5%, total impurities ≤1.0%. |
| Water Content | Karl Fischer Titration | Determine water content by volumetric or coulometric Karl Fischer method; typically requires ≤1.0%. |
| Residual Solvents | Gas Chromatography (GC) | Headspace or direct injection with polar or non-polar capillary columns and FID detection to determine residual organic solvents from synthesis (e.g., toluene, ethanol), complying with ICH Q3C limits. |
| Boron Content | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) or Titration | Determine total boron content by ICP-OES, or use mannitol-assisted acid-base titration to quantify boronic acid group content, as an auxiliary method for purity verification. |
| pH (Solution) | pH Meter Measurement | Prepare an aqueous solution at a defined concentration (e.g., 1% w/v), measure pH using a calibrated pH meter; pyridine-3-boronic acid solutions are typically weakly acidic (pH ≈ 4–6). |
Technical Specifications of 3-Pyridylboronic acid
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 167-171°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 3-Pyridylboronic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3-Pyridylboronic acid
Packaging of 3-Pyridylboronic acid
Industrial 3-Pyridylboronic 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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