4-Mercaptopyridine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 4556-23-4 |
| Product name | 4-Mercaptopyridine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeElectronic GradeIndustrial 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-Mercaptopyridine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Mercaptopyridine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Mercaptopyridine
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate for drug synthesis | Introduced into drug molecular structures via organic synthesis reactions |
| Pesticides | Intermediate for insecticide or fungicide synthesis | Undergoes condensation, substitution, and other reactions with other chemicals |
| Materials Science | Used in functional material preparation | Acts as a ligand in metal complex synthesis |
| Electronic Chemicals | Used in electronic device manufacturing | Functions as a component in surface treatment or conductive materials |
| Catalysts | Used as a catalyst or catalyst precursor | Serves as an active site or auxiliary ligand in catalytic reactions |
Manufacturing Quality Control of 4-Mercaptopyridine
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at ~240 nm, comparing peak area against a certified reference standard. |
| Water Content | Karl Fischer Titration | Electrochemical titration based on the stoichiometric reaction of iodine with water in a pyridine/methanol solvent system. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 750–800 °C to volatilize organic matter; residue mass measured after cooling in desiccator. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification after acid digestion, measuring emission intensities of metal-specific wavelengths. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride anions using suppressed conductivity detection after aqueous extraction. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed visually or automatically as solid-to-liquid phase change under controlled heating rate. |
| Organic Volatile Impurities (e.g., solvents) | GC-FID | Separation by capillary GC followed by flame ionization detection; quantified against internal/external standards. |
| Sulfur Content | Combustion IC | High-temperature combustion converts sulfur to sulfate, followed by ion chromatographic quantification. |
| Appearance & Color | Visual Inspection / APHA Color Scale | Comparison of dissolved solution (e.g., 1% w/v in ethanol) against platinum-cobalt standard color solutions. |
| pH of Aqueous Solution | Potentiometric pH Measurement | Measurement using calibrated glass electrode in saturated aqueous suspension or dilute solution (e.g., 1% w/v). |
Technical Specifications of 4-Mercaptopyridine
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 72-76°C |
| Water Content (KF) | <=0.5% |
| 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 4-Mercaptopyridine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Mercaptopyridine
Packaging of 4-Mercaptopyridine
Industrial 4-Mercaptopyridine 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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