1,3,2-Dioxaborolane, 4,4,5,5-tetraMethyl-2-(3,3,5,5-tetraMethyl-1-cyclohexen-1-yl) Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 859217-85-9 |
| Product name | 1,3,2-Dioxaborolane, 4,4,5,5-tetraMethyl-2-(3,3,5,5-tetraMethyl-1-cyclohexen-1-yl) |
| 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 859217-85-9
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 859217-85-9 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 859217-85-9
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical R&D | Boronic ester intermediates for constructing cyclohexenyl-containing active pharmaceutical ingredients via Suzuki-Miyaura cross-coupling | Palladium-catalyzed cross-coupling, typically conducted under mild basic conditions (e.g., K₂CO₃, Cs₂CO₃) in organic solvents (THF, dioxane, DMF) |
Manufacturing Quality Control of 859217-85-9
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 210-230 nm, comparing peak area against a certified reference standard. |
| Residual Solvents | GC-FID | Separation and quantification of volatile organic solvents (e.g., toluene, heptane) using capillary GC with flame ionization detection. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration based on the stoichiometric reaction of iodine with water in a controlled anhydrous medium. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element detection after acid digestion, measuring emission intensities of metal ions at characteristic wavelengths. |
| Chloride Impurity | Ion Chromatography | Separation of chloride anions on an anion-exchange column with conductivity detection, calibrated against NaCl standards. |
| Residual Boron Species | ICP-OES | Quantification of total boron content after microwave-assisted acid digestion, using B 249.7 nm emission line. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against standard references under controlled white light and defined viewing conditions. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid-to-liquid phase transition occurs, using calibrated digital melting point instrument. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light passing through a solution, indicating chiral purity and enantiomeric excess. |
| Residual Catalyst (Pd) | ICP-MS | Ultra-trace detection of palladium after microwave digestion, utilizing mass-selective detection for high sensitivity and specificity. |
| Acid Value | Acid-Base Titration | Neutralization of acidic impurities with standardized KOH ethanol solution, using phenolphthalein endpoint detection. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry powder dispersion via light scattering pattern analysis to determine volume-based particle size distribution. |
Technical Specifications of 859217-85-9
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 128–132°C |
| Identification (NMR) | Conforms to reference standard |
| Residue on Ignition | <=0.1% |
| Odor | Characteristic mild odor |
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 859217-85-9
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 859217-85-9
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Industrial 859217-85-9 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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