Pyridine-4-carboxylic acid N-oxide Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 13602-12-5 |
| Product name | Pyridine-4-carboxylic acid N-oxide |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Reagent 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 Pyridine-4-carboxylic acid N-oxide
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Pyridine-4-carboxylic acid N-oxide Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Pyridine-4-carboxylic acid N-oxide
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate in the synthesis of the antitubercular drug isoniazid or as a research reagent for related derivatives | Organic synthesis; synthesis of pharmaceutical intermediates |
| Chemical Research | Ligand in coordination chemistry for constructing metal complexes | Coordination reactions; organometallic synthesis |
| Analytical Chemistry | Analytical reagent for detection or separation of specific metal ions | Complexometric titration; spectroscopic analysis |
Manufacturing Quality Control of Pyridine-4-carboxylic acid N-oxide
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination based on peak area comparison against a certified reference standard using reversed-phase chromatography and UV detection at ~260 nm. |
| Related Substances | HPLC-UV | Separation and quantification of structurally related impurities (e.g., isonicotinic acid, N-oxide precursors) using gradient elution and UV detection. |
| Residual Solvents | GC-FID | Identification and quantification of volatile organic solvents (e.g., methanol, acetone, ethyl acetate) by gas chromatography with flame ionization detection. |
| Heavy Metals | ICP-MS | Multi-element quantification of toxic metals (Pb, Cd, As, Hg, Ni) after acid digestion, leveraging high sensitivity and isotopic resolution. |
| Water Content | Karl Fischer Titration (Coulometric) | Electrochemical titration measuring water via iodine generation and stoichiometric reaction with water in anhydrous medium. |
| Residue on Ignition | Gravimetric Analysis | Determination of inorganic ash content by high-temperature incineration followed by precise weighing of residual non-volatile matter. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition measurement using capillary tube method per USP <741>, indicating purity and identity via sharpness and temperature range. |
| Appearance & Color | Visual Inspection / APHA Color Scale | Subjective assessment of physical state (crystalline solid) and color intensity compared to platinum-cobalt standards. |
| pH of Aqueous Suspension | pH Meter | Measurement of hydrogen ion activity in a defined saturated aqueous suspension (e.g., 1% w/v) at 25 °C. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride anions using suppressed conductivity detection after aqueous extraction. |
| Sulfated Ash | Gravimetric Analysis | Weight of residue remaining after ignition with sulfuric acid treatment, indicating total inorganic sulfate-bearing impurities. |
| Microbial Contamination | Membrane Filtration / TSA/SDA | Enumeration of aerobic bacteria and fungi using standardized culture-based methods per Ph. Eur. 2.6.12. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry powder dispersion via light scattering pattern to determine D10, D50, D90 values. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light induced by chiral centers, confirming stereochemical integrity (though compound is achiral, used for trace chiral impurities or process monitoring). |
Technical Specifications of Pyridine-4-carboxylic acid N-oxide
| Test Item | Specification |
|---|---|
| Appearance | Off-white solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 128–132°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| 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 Pyridine-4-carboxylic acid N-oxide
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Pyridine-4-carboxylic acid N-oxide
Safety Information of Pyridine-4-carboxylic acid N-oxide
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Pyridine-4-carboxylic acid N-oxide
Industrial Pyridine-4-carboxylic acid N-oxide 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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