Pyridine, 2,5-dichloro-4-iodo- Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 796851-03-1 |
| Product name | Pyridine, 2,5-dichloro-4-iodo- |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 Pyridine, 2,5-dichloro-4-iodo-
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Pyridine, 2,5-dichloro-4-iodo- Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Pyridine, 2,5-dichloro-4-iodo-
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Chemicals | Key organic synthesis intermediate | Serves as a core scaffold for constructing pyridine-based drug molecules in the synthesis of biologically active drug candidates. |
| Pharmaceutical Chemicals | Antitumor drug development | Enables targeted antitumor molecule construction via metal-catalyzed cross-coupling reactions (e.g., Suzuki, Stille) to introduce aryl or heteroaryl groups at the iodinated position. |
| Agrochemicals | Agrochemical intermediate | Undergoes selective functionalization leveraging differential reactivity of halogens (chlorine, iodine) to synthesize novel insecticidal or fungicidal molecules. |
| Organic Synthesis | Functional material molecule construction | Used to synthesize pyridine-based ligands or structural units for organic light-emitting or electron-transport materials. |
| Research Reagents | Chemical library synthesis | Applied in diversity-oriented synthesis (DOS) to construct pyridine-based compound libraries for drug screening, capitalizing on its privileged structure properties. |
Manufacturing Quality Control of Pyridine, 2,5-dichloro-4-iodo-
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reverse-phase HPLC with UV detection at 254 nm, based on peak area comparison against reference standard. |
| Related Substances | HPLC-UV | Detects and quantifies structurally related impurities (e.g., mono-chloro, di-iodo, hydrolysis products) using gradient HPLC-UV with relative response factors. |
| Residual Solvents | GC-FID | Measures volatile organic solvents (e.g., DMF, THF, methanol) by gas chromatography with flame ionization detection using internal standard calibration. |
| Water Content | Karl Fischer Titration | Determines trace water via coulometric or volumetric titration using iodine generated electrochemically in pyridine-free reagent. |
| Heavy Metals | ICP-MS | Quantifies elemental impurities (Pb, Cd, Hg, As, etc.) after acid digestion using inductively coupled plasma mass spectrometry with isotope dilution. |
| Chloride Ion Impurity | Ion Chromatography | Separates and quantifies chloride anions using suppressed conductivity detection after sample dissolution in dilute nitric acid. |
| Iodine Content | Potentiometric Titration with Sodium Thiosulfate | Determines total iodine by oxidative liberation of I2 from compound followed by redox titration with standardized Na2S2O3. |
| Melting Point | Capillary Melting Point Apparatus | Measures temperature range at which solid transitions to liquid, indicating purity and identity via comparison to literature value (128–130 C). |
| Loss on Drying | Gravimetric Analysis | Determines volatile content by measuring mass loss after drying under controlled vacuum and temperature (e.g., 60 C, 2 h). |
| Appearance | Visual Inspection | Assesses physical state, color, and presence of foreign particles or discoloration against established reference standards under controlled lighting. |
| Bulk Density | Tap Density Tester | Measures mass per unit volume after standardized tapping; indicates powder flow and handling consistency. |
| Particle Size Distribution | Laser Diffraction | Determines size distribution of solid particles in suspension using Mie scattering theory and calibrated optical model. |
Technical Specifications of Pyridine, 2,5-dichloro-4-iodo-
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline solid |
| Purity | >=98.0% |
| Melting Point | 124–128°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
| Identification (NMR) | 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 Pyridine, 2,5-dichloro-4-iodo-
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Pyridine, 2,5-dichloro-4-iodo-
Safety Information of Pyridine, 2,5-dichloro-4-iodo-
| Pictograms |  |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of Pyridine, 2,5-dichloro-4-iodo-
Industrial Pyridine, 2,5-dichloro-4-iodo- 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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