4-Methoxy-3-nitropyridine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 31872-62-5 |
| Product name | 4-Methoxy-3-nitropyridine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeMaterial 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 4-Methoxy-3-nitropyridine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Methoxy-3-nitropyridine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Methoxy-3-nitropyridine
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Used as precursors in the synthesis of antitumor, antiviral, or neuroactive drugs | Constructing pyridine-containing target molecules via reduction, substitution, or coupling reactions |
| Agrochemical Intermediates | Key structural units for synthesizing high-efficacy insecticidal or herbicidal active ingredients | Introducing heterocyclic agrochemical scaffolds through nitro group reduction or methoxy group transformation |
| Organic Synthesis Reagents | Serving as nitrogen-containing heterocyclic building blocks for constructing complex molecular architectures | Enabling nucleophilic substitution or metal-catalyzed cross-coupling via the electron-withdrawing nature of the nitro group and the directing effect of the methoxy group |
| Materials Science | Functional monomers for preparing optoelectronic materials or coordination polymers | Assembling molecular structures with tailored optical/electrical properties via coordination or covalent bond formation |
Manufacturing Quality Control of 4-Methoxy-3-nitropyridine
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reversed-phase HPLC with UV detection at 254 nm based on peak area comparison against reference standard. |
| Related Substances | HPLC-UV | Detects and quantifies impurities (e.g., starting materials, intermediates, degradants) using gradient HPLC-UV with relative response factors or external standards. |
| Residual Solvents | GC-FID | Separates and quantifies volatile organic solvents (e.g., methanol, acetone, DMF) by gas chromatography with flame ionization detection using internal standard calibration. |
| Water Content | Karl Fischer Titration | Determines trace water via coulometric or volumetric titration where iodine reacts stoichiometrically with water in anhydrous pyridine/methanol medium. |
| Heavy Metals | ICP-MS | Measures total elemental impurities (e.g., Pb, Cd, Hg, As) after acid digestion using inductively coupled plasma mass spectrometry for sub-ppt sensitivity. |
| Chloride Impurity | Ion Chromatography | Separates and quantifies chloride ions using suppressed conductivity detection after aqueous extraction and filtration. |
| Sulfated Ash | Gravimetric Analysis | Measures inorganic residue after controlled charring and ignition at 600-700 C followed by precise weighing of residual ash. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid using calibrated capillary apparatus per USP <741>. |
| Appearance | Visual Inspection | Assesses physical state, color, and presence of foreign particles under controlled white light against defined standards (e.g., white to off-white crystalline powder). |
| pH of Aqueous Suspension | pH Meter | Measures hydrogen ion activity in a standardized suspension (e.g., 1% w/v in water) using calibrated pH electrode. |
| Particle Size Distribution | Laser Diffraction | Determines size distribution of dry powder using Mie theory-based light scattering analysis after dispersion by air jet. |
| Loss on Drying | Thermogravimetric Analysis | Quantifies volatile content (excluding water) by measuring mass loss upon heating to 105 C under controlled nitrogen flow for specified duration. |
Technical Specifications of 4-Methoxy-3-nitropyridine
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (GC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 78–82°C |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
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-Methoxy-3-nitropyridine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Methoxy-3-nitropyridine
Packaging of 4-Methoxy-3-nitropyridine
Industrial 4-Methoxy-3-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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