4,4'-Di-tert-butyl-2,2'-dipyridyl Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 72914-19-3 |
| Product name | 4,4'-Di-tert-butyl-2,2'-dipyridyl |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeReagent GradeIndustrial 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'-Di-tert-butyl-2,2'-dipyridyl
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4,4'-Di-tert-butyl-2,2'-dipyridyl Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4,4'-Di-tert-butyl-2,2'-dipyridyl
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as a ligand in transition-metal-catalyzed reactions (e.g., C–C coupling) | Organic synthesis, catalytic reactions |
| Agriculture | Used in the synthesis of agrochemical intermediates (e.g., fungicides, insecticides) | Chemical synthesis, intermediate preparation |
| Materials Science | Used to prepare optoelectronic materials or coordination polymers | Materials synthesis, crystal engineering |
| Chemical Research | Used for metal ion detection or as a fluorescent probe | Analytical chemistry, sensor development |
| Industrial Catalysis | Used as a catalyst component in oxidation or polymerization reactions | Catalytic processes, reaction optimization |
Manufacturing Quality Control of 4,4'-Di-tert-butyl-2,2'-dipyridyl
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Purity (Main Component Content) | High-Performance Liquid Chromatography (HPLC) | Use a C18 reversed-phase column with methanol/water or acetonitrile/water as the mobile phase, and ultraviolet detector (UV, typically 254 nm) for detection. Quantification is performed using external standard method or internal standard method to evaluate purity ≥98%. |
| Impurity Profile Analysis | HPLC-UV / HPLC-MS | After HPLC separation, impurities are identified using ultraviolet detection or mass spectrometry (MS), such as unreacted raw materials (tert-butylbenzene, 2,2'-bipyridine), oxidation products, or isomers. Impurities are qualitatively analyzed and controlled within limits. |
| Melting Point | Melting Point Apparatus | Measured using capillary method or automatic melting point apparatus, with literature value of approximately 135–140 °C. Used for preliminary identification and purity assessment; a narrow melting range indicates high purity. |
| Water Content | Karl Fischer Titration (Karl Fischer) | Quantitative reaction of water with iodine-sulfur dioxide-pyridine-methanol system, measured by potentiometric or coulometric method. Controls water content ≤0.5% to avoid affecting the stability of subsequent coordination reactions. |
| Ultraviolet-Visible Absorption Spectrum | Ultraviolet-Visible Spectrophotometry (UV-Vis) | Determine absorption spectrum of the sample in ethanol or acetonitrile between 200–400 nm. Characteristic absorption peak around 270–290 nm (π→π* transition) for structural confirmation and concentration determination. |
| Nitrogen Content | Elemental Analysis (EA) | Determine the content of C, H, and N elements by combustion method. Compare with theoretical values (C₁₆H₂₀N₂, N% ≈12.8%) to verify molecular composition and confirm the chemical formula, used for structural confirmation. |
| Solubility and Appearance | Visual Inspection + Solvent Solubility Test | Observe the sample as white to pale yellow crystalline powder, easily soluble in organic solvents (such as ethanol, acetone, chloroform), insoluble in water. Used to initially determine physical state and check for moisture, oxidation, or contamination. |
| Residual Solvents | Gas Chromatography (GC) | Use headspace or direct injection GC-FID to detect residual organic solvents such as ethanol, acetonitrile, and toluene during production, complying with ICH Q3C standards. |
| Thermal Stability | Thermogravimetric Analysis (TGA) / Differential Scanning Calorimetry (DSC) | TGA measures weight loss behavior under nitrogen or air atmosphere, while DSC detects melting endothermic peak and decomposition temperature, assessing thermal stability to ensure safe storage and usage conditions. |
| Structure Confirmation | Nuclear Magnetic Resonance Spectroscopy (¹H NMR / ¹³C NMR) | Test in CDCl₃ or DMSO-d₆. Characteristic signals: tert-butyl protons at δ ≈1.3–1.4 ppm, aromatic protons at δ ≈7.2–8.0 ppm, confirming molecular structure consistent with literature. |
Technical Specifications of 4,4'-Di-tert-butyl-2,2'-dipyridyl
| Test Item | Specification |
|---|---|
| Appearance | White Solid |
| ldentification(NMR) | Conforms to structure |
| Purity | ≥95.0% |
| Total of impurities | Maximum 1.00 percent |
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'-Di-tert-butyl-2,2'-dipyridyl
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4,4'-Di-tert-butyl-2,2'-dipyridyl
Safety Information of 4,4'-Di-tert-butyl-2,2'-dipyridyl
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 4,4'-Di-tert-butyl-2,2'-dipyridyl
Industrial 4,4'-Di-tert-butyl-2,2'-dipyridyl 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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