4,4'-Dimethyl-2,2'-bipyridyl Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1134-35-6 |
| Product name | 4,4'-Dimethyl-2,2'-bipyridyl |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeSpecialty GradeMaterial 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 4,4'-Dimethyl-2,2'-bipyridyl
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4,4'-Dimethyl-2,2'-bipyridyl Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4,4'-Dimethyl-2,2'-bipyridyl
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Used as ligands or intermediates in drug synthesis | Applied in coordination reactions with metal catalysts or as intermediates for constructing complex molecular frameworks. |
| Agrochemical Industry | Used in the synthesis of pesticides, such as fungicides or herbicides | Applied as active ingredients or adjuvants in pesticide synthesis processes, for example, via coupling reactions. |
| Dye Industry | Used in the synthesis of dyes or pigments | Applied as structural units within dye molecules, prepared through coupling reactions or other organic synthesis processes. |
| Catalyst Industry | Used in the preparation of homogeneous or heterogeneous catalysts | Applied as ligands to coordinate with metal ions, forming stable catalyst structures for various chemical reactions. |
| Plastics Industry | Used in the synthesis of plastic additives | Applied as intermediates for plastic stabilizers or flame retardants, prepared via polymerization or other processing methods. |
Manufacturing Quality Control of 4,4'-Dimethyl-2,2'-bipyridyl
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by comparison of peak area against a certified reference standard using reversed-phase chromatography and UV detection at 254 nm. |
| Related Substances | HPLC-UV | Separation and quantification of impurities (e.g., mono-methyl isomers, unreacted 2,2'-bipyridine, oxidation products) using gradient HPLC-UV. |
| Residual Solvents | GC-FID | Detection and quantification of volatile organic solvents (e.g., toluene, methanol, DMF) by gas chromatography with flame ionization detection. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration based on the stoichiometric reaction of iodine with water in a pyridine-methanol buffer system. |
| Heavy Metals | ICP-OES | Multi-element quantification of toxic metals (e.g., Pb, Cd, Hg, Ni) after acid digestion, using inductively coupled plasma optical emission spectrometry. |
| Chloride Impurity | Ion Chromatography | Separation and conductivity detection of chloride ions eluted from an anion-exchange column after sample dissolution and filtration. |
| Sulfate Impurity | Ion Chromatography | Separation and conductivity detection of sulfate ions using an anion-exchange column and suppressed conductivity detection. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, observed visually through capillary tube under controlled heating. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of foreign particles against a white background under standardized lighting. |
| Loss on Drying | Gravimetric Analysis | Measurement of mass loss after drying under vacuum at 60 C for 2 hours, indicating volatile content and residual moisture. |
| Residue on Ignition | Gravimetric Analysis | Determination of non-volatile inorganic residue after charring and ashing at 700 C in a muffle furnace. |
| Bulk Density | Tap Density Measurement | Calculation of mass per unit volume after controlled tapping of a known mass in a calibrated cylinder per USP <616>. |
Technical Specifications of 4,4'-Dimethyl-2,2'-bipyridyl
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 72–76°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Conforms to reference spectrum |
| Heavy Metals | <=10 ppm |
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'-Dimethyl-2,2'-bipyridyl
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4,4'-Dimethyl-2,2'-bipyridyl
Packaging of 4,4'-Dimethyl-2,2'-bipyridyl
Industrial 4,4'-Dimethyl-2,2'-bipyridyl 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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