China Factory Direct
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| CAS number | 3512-75-2 |
| Product name | 4-Chloro-2,6-dimethylpyridine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial Grade |
| Packaging | 25L/drum |
| 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Pesticides | Key intermediate for synthesizing auxin-type herbicides such as florpyrauxifen | Reacted with 2,4-dichlorophenoxyacetic acid or its derivatives via coupling and hydrolysis to produce the target herbicide |
| Pharmaceuticals | Structural modification intermediate for synthesizing anticancer agents everolimus and sirolimus | Pyridyl side chain introduced via multi-step reactions including N-alkylation, acylation, and macrolactonization |
| Materials Science | Ligand for preparing transition metal catalysts (e.g., Pd and Ni complexes) applied in C–N coupling reactions | Coordinated with metal salts (e.g., Pd(OAc)₂, NiCl₂) under inert atmosphere to form thermally stable catalytic systems |
| Dyes & Pigments | Heterocyclic building block for high-performance organic fluorescent dyes, enhancing photostability and tunability of emission wavelength | Integrated into conjugated chromophore systems following derivatization steps such as Vilsmeier–Haack formylation and Knoevenagel condensation |
| Detection Item | Common Analytical Method | Method Overview |
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| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantitative determination based on peak area comparison against a certified reference standard under optimized chromatographic conditions. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Volatile solvents are equilibrated in headspace vial and quantified via GC-FID using calibration curves. |
| Water Content | Karl Fischer Titration (Coulometric mode) | Electrochemical titration where iodine generated coulometrically reacts stoichiometrically with water in the sample. |
| Heavy Metals (as Pb) | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Sample digested in acid matrix; elemental emission intensities measured at characteristic wavelengths for semi-quantitative multi-element analysis. |
| Chloride Impurity | Ion Chromatography (IC) with conductivity detection | Separation of anions on ion-exchange column followed by quantitative detection of chloride via suppressed conductivity. |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) with UV detection | Separation of structurally related impurities on reversed-phase column; detection at 254 nm using relative response factors. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed as solid-to-liquid phase change, determined by controlled heating and visual or automated optical detection. |
| Appearance | Visual Inspection (against white/black background) | Assessment of physical state, color, and clarity of sample in standard lighting per USP <941>. |
| Residue on Ignition | Gravimetric Analysis (Sulfated Ash) | Sample ignited at 700–800 °C; residual inorganic ash weighed after cooling in desiccator. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light passing through solution, indicating chiral purity (if applicable; typically negligible for this achiral compound, but included for specification compliance). |
| Test Item | Specification |
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| Appearance | Colorless liquid |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 38-42°C |
| Refractive Index (n20/D) | 1.525-1.535 |
| Relative Density (20°C/25°C) | 1.075-1.085 g/cm³ |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() |
| Signal Word | Warning |
| Safety Data Sheet | |
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.