3,4-Dichloropyridine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 55934-00-4 |
| Product name | 3,4-Dichloropyridine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial GradeElectronic 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 3,4-Dichloropyridine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3,4-Dichloropyridine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3,4-Dichloropyridine
| Industry | Application | Process |
|---|---|---|
| Pesticides | Synthesis of insecticidal and fungicidal intermediates | Used to prepare pyridine-ring-containing active ingredients via nucleophilic substitution reactions between 3,4-dichloropyridine and amines, alcohols, or thiols |
| Pharmaceuticals | Synthesis of antiviral and antitumor drug intermediates | Applied as a chloropyridine-based structural scaffold in coupling reactions (e.g., Suzuki, Buchwald–Hartwig) to introduce functional groups into drug molecules |
| Dyes and Pigments | Synthesis of high-performance organic pigment intermediates | Used in reactions with azo components or metal chelating agents to produce light- and heat-stable pyridine-based dyes |
| Electronic Chemicals | Synthesis of liquid crystal material precursors | Applied as a heterocyclic aromatic unit in condensation or catalyzed coupling reactions to prepare liquid crystal monomers |
| Polymers | Synthesis of specialty engineering plastic monomers | Used in condensation polymerization with diamines or diols to form heat-resistant polymers containing chloropyridine structures |
Manufacturing Quality Control of 3,4-Dichloropyridine
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantitative determination based on peak area comparison against a certified reference standard using a calibrated column and detector. |
| Related Substances | Gas Chromatography-Mass Spectrometry (GC-MS) | Separation followed by mass spectral identification and semi-quantitation of impurities relative to the main peak. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Volatile solvent residues are vaporized in sealed vials and quantified via GC-FID using calibrated external standards. |
| Water Content | Karl Fischer Titration (Coulometric) | Electrochemical titration where iodine generated coulometrically reacts stoichiometrically with water in the sample. |
| Chloride Ion Impurity | Ion Chromatography (IC) | Separation of anions on an ion-exchange column followed by conductivity detection and quantification against chloride standards. |
| Heavy Metals (Pb, Cd, Hg, As) | Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | Sample digested in acid, then elemental quantification via mass-to-charge ratio detection at ultratrace levels. |
| Acid Value | Acid-Base Titration (NaOH in methanol) | Neutralization of acidic impurities with standardized sodium hydroxide solution using phenolphthalein endpoint detection. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed as solid-to-liquid phase change under controlled heating rate per pharmacopeial guidelines. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against specified criteria under standardized lighting and viewing conditions. |
| Residue on Ignition | Gravimetric Analysis | Mass of non-volatile inorganic residue determined after high-temperature ashing of a weighed sample. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light passing through a solution, indicating chiral purity if applicable. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity patterns to calculate volume-based particle size distribution in dry or wet dispersion. |
Technical Specifications of 3,4-Dichloropyridine
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 52.0–56.0 °C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 ppm |
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 3,4-Dichloropyridine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3,4-Dichloropyridine
Packaging of 3,4-Dichloropyridine
Industrial 3,4-Dichloropyridine 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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