2-Chloro-4-nitropyridine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 23056-36-2 |
| Product name | 2-Chloro-4-nitropyridine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeSpecialty 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 2-Chloro-4-nitropyridine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-Chloro-4-nitropyridine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2-Chloro-4-nitropyridine
| Industry | Application | Process |
|---|---|---|
| Pesticides | Synthesis of pesticide intermediates | Condensation and substitution reactions |
| Pharmaceuticals | Preparation of antiviral drug intermediates | Nitration and chlorination reactions |
| Dyes | Synthesis of dye intermediates | Coupling and reduction reactions |
| Organic synthesis | Construction of nitrogen-containing heterocyclic compounds | Cyclization and functional group transformation |
Manufacturing Quality Control of 2-Chloro-4-nitropyridine
| Test Item | Common Testing Method | Method Summary |
|---|---|---|
| Appearance | Visual Inspection | Observe the sample's color, physical state, and presence of visible impurities under natural or standard lighting conditions. |
| Purity / Assay | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column with methanol-water or acetonitrile-water as the mobile phase. Detect using a UV detector (typically at 254–300 nm) and calculate the main peak purity by external standard or area normalization method. |
| Melting Point | Capillary Melting Point Method | Pack the sample into a capillary tube and gradually heat in a melting point apparatus. Record the initial and final melting temperatures and compare with the literature value (approximately 76–78°C). |
| Moisture Content | Karl Fischer Titration | Determine water content precisely based on the reaction of iodine and sulfur dioxide with water in an anhydrous environment, using either coulometric or volumetric titration. |
| Residual Solvents | Gas Chromatography (GC) | Use polar or mid-polarity capillary columns (e.g., DB-624) to detect organic solvents possibly remaining from manufacturing (e.g., methanol, ethanol, acetone, dichloromethane). |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Optimize chromatographic conditions to separate and detect by-products or degradation products from synthesis (e.g., unreacted starting materials, oxidation products, hydrolysis products), typically using gradient elution. |
| Chlorine Content Verification | Elemental Analysis (EA) or Ion Chromatography | Determine the actual chlorine content using an elemental analyzer and compare with the theoretical value (~18.9%) to verify structural correctness. |
| Infrared Characteristic Functional Groups | Fourier Transform Infrared Spectroscopy (FTIR) | Perform pellet pressing or ATR testing to analyze characteristic absorption peaks such as ~1530 cm⁻¹ (asymmetric NO₂ stretch) and ~750 cm⁻¹ (C–Cl stretch) to confirm molecular structure. |
| Crystal Form Analysis (if applicable) | X-Ray Powder Diffraction (XRD) | If polymorphism is a concern, use XRD to analyze crystal structure and ensure consistency of crystalline form across batches. |
| Heavy Metal Residues | Atomic Absorption Spectroscopy (AAS) or ICP-MS | Detect residual heavy metals from catalysts (e.g., Pd, Ni, Cu). Samples must be digested prior to analysis and comply with pharmacopeial or customer-specified limits. |
Technical Specifications of 2-Chloro-4-nitropyridine
| Test Item | Specification |
|---|---|
| Appearance | White to light yellow crystalline powder |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 78–82°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Conforms to reference spectrum |
| Residue on Ignition | <=0.1% |
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 2-Chloro-4-nitropyridine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2-Chloro-4-nitropyridine
Packaging of 2-Chloro-4-nitropyridine
Industrial 2-Chloro-4-nitropyridine 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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