China Factory Direct
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| CAS number | 1513-66-2 |
| Product name | 2,3-Difluoropyridine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
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| Pharmaceuticals | Used as a pharmaceutical intermediate in the synthesis of antiviral, antitumor, and neuroactive drugs | Active molecular scaffolds are constructed via organic synthesis methods including nucleophilic substitution and transition-metal-catalyzed cross-coupling (e.g., Suzuki, Negishi reactions) |
| Agrochemicals | Serves as a structural building block for insecticides, herbicides, or fungicides | Incorporated into target agrochemical molecules via halogen exchange, arylation, or heterocycle modification |
| Materials Science | Applied in the preparation of liquid crystal materials and organic optoelectronic materials (e.g., OLED emissive layers) | Integrated into functional polymer systems or small-molecule emissive materials via coordination chemistry or copolymerization |
| Fine Chemicals | Functions as a fluorinated heterocyclic building block for complex molecule construction | Leverages the high electronegativity and steric bulk of fluorine atoms to modulate reaction selectivity and product performance |
| Detection Item | Common Analytical Method | Method Overview |
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| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantifies 2,3-difluoropyridine peak area relative to a calibrated standard using thermal conductivity or flame ionization detection. |
| Water Content | Karl Fischer Titration | Measures water via coulometric or volumetric titration with iodine generated in situ reacting stoichiometrically with water. |
| Residual Solvents | Gas Chromatography (GC) with Headspace sampling | Separates and quantifies volatile organic solvents based on retention time and peak area against reference standards. |
| Heavy Metals (as Pb) | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Atomizes and excites sample in argon plasma; detects metal-specific emission wavelengths for quantitative analysis. |
| Chloride Impurity | Ion Chromatography (IC) | Separates chloride anions on an ion-exchange column and detects them via conductivity measurement after suppression. |
| Acidity (as HCl) | Acid-Base Titration with NaOH | Neutralizes acidic impurities using standardized sodium hydroxide solution and detects endpoint potentiometrically or with indicator. |
| Color | Visual Comparison or Spectrophotometry (APHA scale) | Compares sample color to platinum-cobalt standard solutions or measures absorbance at 455 nm in dilute solution. |
| Residue on Ignition | Gravimetric Analysis | Heats sample at 700-800 C to volatilize organics; weighs inorganic residue remaining as sulfate ash. |
| Non-Volatile Residue | Weight Loss on Drying (WLOD) | Evaporates volatile components under controlled temperature/vacuum; measures mass loss gravimetrically. |
| Specific Optical Rotation | Polarimetry | Measures rotation of plane-polarized light caused by chiral impurities or enantiomeric excess in solution. |
| Particle Size Distribution | Laser Diffraction | Analyzes scattered laser light intensity pattern to determine size distribution of suspended solid particles. |
| Density | Digital Density Meter (Oscillating U-tube) | Determines density from resonant frequency shift of a vibrating U-shaped tube filled with sample. |
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Conforms to reference spectrum |
| Refractive Index (n20/D) | 1.470–1.475 |
| Relative Density (20°C/25°C) | 1.22–1.24 g/cm³ |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.