4-Phenylpyridine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 939-23-1 |
| Product name | 4-Phenylpyridine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial Grade |
| Packaging | 25KG/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-Phenylpyridine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Phenylpyridine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Phenylpyridine
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical R&D | Organic synthesis intermediate | Used to construct biologically active pyridine-based compounds; incorporated into drug molecule synthesis |
| Materials Science | Ligand synthesis | Employed as a ligand in the preparation of metal complexes for catalysis or optoelectronic materials |
| Organic Synthesis | Functionalization reagent | Participates in cross-coupling reactions such as Suzuki coupling to introduce phenylpyridine structural motifs |
| Pesticide Chemistry | Intermediate | Applied in structural modification of nitrogen-containing heterocyclic pesticide active ingredients |
Manufacturing Quality Control of 4-Phenylpyridine
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies 4-phenylpyridine peak area against a calibrated standard using reversed-phase chromatography and UV detection at ~254 nm. |
| Related Substances | HPLC-UV | Separates and quantifies structurally related impurities (e.g., unreacted pyridine, biphenyl, phenylpyridine isomers) using gradient HPLC-UV. |
| Residual Solvents | GC-FID | Detects and quantifies volatile organic solvents (e.g., toluene, THF, ethanol) by gas chromatography with flame ionization detection. |
| Water Content | Karl Fischer Titration | Determines trace water via coulometric or volumetric titration based on the stoichiometric reaction of iodine with water in pyridine/methanol medium. |
| Heavy Metals | ICP-OES | Measures total elemental metal impurities (e.g., Pb, Cd, Ni, Fe) after acid digestion by optical emission spectroscopy. |
| Chloride Content | Ion Chromatography | Quantifies chloride ions eluted from an anion-exchange column and detected by conductivity. |
| Sulfated Ash | Gravimetric Analysis | Measures non-volatile inorganic residue after combustion with sulfuric acid and high-temperature incineration. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid, indicating purity and identity. |
| Appearance | Visual Inspection | Assesses physical state, color, and presence of foreign particles under controlled white light against defined standards. |
| Loss on Drying | Thermogravimetric Analysis | Measures mass loss upon heating under controlled conditions to determine volatile content including moisture and residual solvents. |
| Specific Optical Rotation | Polarimetry | Detects chiral impurities or enantiomeric excess by measuring rotation of plane-polarized light; expected near zero for achiral compound. |
| pH of Aqueous Suspension | pH Meter | Measures hydrogen ion activity in a standardized suspension (e.g., 1% w/v in water), indicating acidic/basic impurities. |
Technical Specifications of 4-Phenylpyridine
| Test Item | Specification |
|---|---|
| Appearance | White to yellow to orange crystalline powder |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 65–69°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| 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-Phenylpyridine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of 4-Phenylpyridine
Industrial 4-Phenylpyridine 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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