POLY(4-VINYLPYRIDINE) Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 25232-41-1 |
| Product name | POLY(4-VINYLPYRIDINE) |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial GradeElectronic GradeReagent 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 POLY(4-VINYLPYRIDINE)
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk POLY(4-VINYLPYRIDINE) Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of POLY(4-VINYLPYRIDINE)
| Industry | Application | Process Description |
|---|---|---|
| Materials Science | Functional Polymer Materials | Used as a polymeric matrix for composite material preparation |
| Chemical Industry | Coordination Polymer Synthesis | Applied as a ligand to form complexes with metal ions |
| Catalysis | Catalyst Support | Used as a support material for immobilized catalysts |
| Coatings & Surface Treatment | Coating & Surface Modification | Applied for surface modification to enhance material hydrophilicity or reactivity |
| Electronics | Conductive Materials | Used in the preparation of conductive polymer composites |
| Analytical Chemistry | Adsorption & Separation Materials | Used for adsorption of metal ions or organic molecules |
| Textile Industry | Fiber Modification | Applied to improve fiber dyeability or antimicrobial performance |
| Pharmaceutical Industry | Drug Delivery Carrier | Used as a carrier material in drug delivery systems |
| Environmental Engineering | Wastewater Treatment | Used for adsorption of heavy metal ions or organic pollutants |
| Biomaterials | Antimicrobial Materials | Used in the preparation of antimicrobial polymers |
Manufacturing Quality Control of POLY(4-VINYLPYRIDINE)
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Assessment of physical state, color, and homogeneity under controlled lighting conditions |
| Solubility in Water | Gravimetric Dissolution Test | Sample is added to distilled water and observed for complete dissolution or residue formation |
| Intrinsic Viscosity | Capillary Viscometry | Measurement of solution flow time relative to solvent to calculate reduced and intrinsic viscosity |
| Molecular Weight (Mw) | Gel Permeation Chromatography (GPC) | Separation by hydrodynamic volume using calibrated polystyrene standards in THF eluent |
| Molecular Weight Distribution (PDI) | Gel Permeation Chromatography (GPC) | Ratio of weight-average to number-average molecular weight derived from GPC chromatogram |
| Residual Monomer (4-Vinylpyridine) | Gas Chromatography (GC-FID) | Quantification via headspace or direct injection with flame ionization detection |
| Total Nitrogen Content | Kjeldahl Method | Acid digestion converts organic nitrogen to ammonium sulfate, followed by distillation and titration |
| Ash Content | Gravimetric Incineration | Sample heated at 550 C to constant weight; residue mass expressed as percentage of original sample |
| Moisture Content | Karl Fischer Titration | Coulometric or volumetric titration with iodine-based reagent to quantify water content |
| pH of 1% Aqueous Solution | Potentiometric pH Measurement | pH electrode measurement of aqueous dispersion after equilibration at 25 C |
| Heavy Metals (Pb, Cd, Hg, Cr) | ICP-OES | Digestion followed by multi-element quantification using inductively coupled plasma optical emission spectrometry |
| Acid Number | Acid-Base Titration | Titration with standardized KOH solution using phenolphthalein indicator to determine acidic groups per gram |
Technical Specifications of POLY(4-VINYLPYRIDINE)
| Test Item | Specification |
|---|---|
| Appearance | White to off-white powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.3% |
| Solubility | Soluble in methanol, chloroform; insoluble in water |
| Odor | Characteristic mild odor |
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 POLY(4-VINYLPYRIDINE)
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of POLY(4-VINYLPYRIDINE)
Industrial POLY(4-VINYLPYRIDINE) 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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