Pinacolborane Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 25015-63-8 |
| Product name | Pinacolborane |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeReagent GradeIndustrial Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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 Pinacolborane
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Pinacolborane Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Pinacolborane
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Organic synthesis intermediate for constructing boron-containing drug molecules (e.g., bortezomib analogues) | Precursor in Suzuki-Miyaura cross-coupling reactions; borohydride reagent in reductive amination or carbonyl reduction reactions |
| Fine Chemicals | Synthesis of organic boronate esters | Hydroboration-oxidation with alkenes or alkynes to yield alcohols or aldehydes; metal-catalyzed cross-coupling with aryl halides to synthesize aryl boronate esters |
| Materials Science | Preparation of functionalized organoboron materials (e.g., fluorescent probes, OLED materials) | Palladium-catalyzed cross-coupling to introduce boron functionality; participation in constructing conjugated boraheterocyclic structures |
| Agrochemicals | Synthesis of boron-containing active ingredients or intermediates | Construction of biologically active boraheterocyclic structures, such as antifungal or herbicidal lead compounds |
| Research | Common laboratory borohydride reagent and reducing agent | Selective reduction of aldehydes, ketones, and imines under anhydrous, anaerobic conditions; preparation of pinacol boronate esters for subsequent transformations |
Manufacturing Quality Control of Pinacolborane
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Purity (Main Component Content) | Gas Chromatography (GC) | Using a capillary column (e.g., DB-5 or HP-INNOWAX) and FID detector, the purity of pinacolborane is quantified by internal or external standard method based on peak area, typically requiring ≥95% purity. |
| Water Content | Karl Fischer Titration | Utilizes Karl Fischer reagent composed of iodine, sulfur dioxide, pyridine, and methanol. Water content is determined by electrochemical titration, suitable for samples with low moisture content (<100 ppm), and considered the gold standard for moisture control in organoboron compounds. |
| Impurity Analysis (Organic Impurities) | Gas Chromatography-Mass Spectrometry (GC-MS) | After separation by GC, impurities are identified and quantified using MS. Common impurities such as pinacol, borate esters, and oxidation products (e.g., BPin₂) can be detected. |
| Metal Impurity Content | Inductively Coupled Plasma-Mass Spectrometry (ICP-MS) | Used for detection of trace metal impurities (e.g., Fe, Cu, Ni, Al), suitable for high-purity applications (e.g., Suzuki coupling precursors), with detection limits down to ppb levels. |
| Appearance and Color | Visual Inspection + Spectrophotometry | Check if the sample is a colorless and transparent liquid; UV-Vis spectrophotometry is used in the 400–700 nm range to assess absorbance and detect colored impurities (e.g., oxidation products). |
| Stability / Oxidation Products | Nuclear Magnetic Resonance Spectroscopy (¹¹B NMR / ¹H NMR) | ¹¹B NMR directly detects B–H signals (δ ≈ -40 ppm) and oxidation products (e.g., BPin₂, δ ≈ 20–30 ppm); ¹H NMR confirms pinacol groups (δ ≈ 1.2–1.4 ppm) and residual solvents. |
| Acid Value / Free Acid | Titration (Base Titration) | Standard NaOH solution is used to titrate trace free acids (e.g., H₃BO₃ or borate derivatives) to assess hydrolysis by-products. |
| Boiling Point / Vapor Pressure | Boiling Point Measurement / GC Retention Time | Boiling point is measured using a standard boiling point apparatus (pinacolborane boils at ~120–125 °C), or evaluated by comparing GC retention time with a reference standard to assess volatility and purity consistency. |
| Storage Stability (Accelerated Test) | GC / NMR Time Monitoring | Sample is stored under elevated temperature (e.g., 40°C) or humidity conditions, with periodic sampling and analysis by GC or NMR to monitor degradation trends and evaluate long-term storage stability. |
Technical Specifications of Pinacolborane
| Test Item | Specification |
|---|---|
| Appearance | Colorless to almost colorless clear liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Odor | Characteristic mild odor |
| Solubility | Miscible with THF, dichloromethane, and ether; immiscible with water |
| Refractive Index (n20/D) | 1.395–1.405 |
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 Pinacolborane
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NMR Spectra of Pinacolborane
Packaging of Pinacolborane
Industrial Pinacolborane 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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