China Factory Direct
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| CAS number | 101990-73-2 |
| Product name | Pyridine, 2-chloro-4-(chloromethyl)- (9CI) |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial GradeCosmetic GradeFood 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 | Synthesis of herbicide intermediates | Used as a key intermediate in synthesizing 2-chloro-4-(chloromethyl)pyridine derivatives for pyrimidine-based herbicides |
| Pharmaceuticals | Synthesis of active pharmaceutical ingredients (APIs) | Applied in synthesizing pyridine-based structural units for anti-inflammatory, antiviral, and cardiovascular drugs |
| Fragrances & Flavors | Precursor for specific fragrance molecules | Employed as a functionalized pyridine scaffold in aromatic compound synthesis to construct odor-specific fragrance compounds |
| Polymers & Materials | Functional monomer or crosslinking agent | Used as a polymer modifier, where the chloromethyl group participates in grafting or crosslinking reactions to enhance material performance |
| Organic Synthesis | Multifunctional organic synthesis intermediate | Participates in nucleophilic substitution, alkylation, and coupling reactions to construct complex organic molecular frameworks |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantitative determination based on peak area comparison against a certified reference standard using a non-polar capillary column. |
| Related Substances | High-Performance Liquid Chromatography (HPLC) with UV detection | Separation and quantification of impurities by retention time and UV absorbance relative to the main peak. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) with FID | Volatile organic solvents are vaporized in sealed vials and quantified by GC-FID using calibrated standards. |
| Water Content | Karl Fischer Titration (Coulometric mode) | Electrochemical titration where iodine generated in situ reacts stoichiometrically with water in the sample. |
| Chloride Ion (Inorganic Chloride) | Ion Chromatography (IC) with conductivity detection | Separation of chloride anions on an anion-exchange column followed by quantitative conductivity measurement. |
| Heavy Metals (as Pb) | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Multi-element detection based on characteristic atomic emission lines after acid digestion and plasma excitation. |
| Residue on Ignition | Gravimetric Analysis (Weight Loss on Ignition) | Mass of non-volatile inorganic residue measured after high-temperature ashing at 700-800 C. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed as the temperature range over which solid-to-liquid phase change occurs. |
| Specific Optical Rotation | Polarimetry | Measurement of angular rotation of plane-polarized light caused by chiral molecules in solution. |
| pH of Aqueous Suspension | Potentiometric pH Measurement | Hydrogen ion activity determined using a calibrated glass electrode in a saturated aqueous suspension. |
| Particle Size Distribution | Laser Diffraction | Analysis of light scattering patterns from dispersed particles to calculate volume-based size distribution. |
| Bulk Density | Graduated Cylinder Method (ASTM D1895) | Mass per unit volume measured by pouring material into a standardized cylinder and leveling the top surface. |
| 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 | 78°C - 82°C |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=20 ppm |
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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.