3,6-Dichloropyridazine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 141-30-0 |
| Product name | 3,6-Dichloropyridazine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeSpecialty 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 3,6-Dichloropyridazine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3,6-Dichloropyridazine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3,6-Dichloropyridazine
| Industry | Application | Process |
|---|---|---|
| Pesticides | Fungicide intermediate | Serves as a key intermediate in the synthesis of nitrogen-containing heterocyclic fungicides, specifically for preparing biologically active phthalazine derivatives |
| Pharmaceuticals | Drug synthesis intermediate | Used in synthesizing phthalazine-based drug compounds exhibiting anti-inflammatory, antihypertensive, or antitumor activity |
| Fine chemicals | Organic synthesis reagent | Participates in coupling and substitution reactions to construct complex organic molecular frameworks, applied in functional materials development |
Manufacturing Quality Control of 3,6-Dichloropyridazine
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Assay | High-Performance Liquid Chromatography (HPLC) | Uses a reversed-phase C18 column with methanol-water or acetonitrile-water as the mobile phase for gradient or isocratic elution. Detection is performed at around 254 nm using a UV detector. The analyte concentration is quantified by external standard method, offering high accuracy and suitability for purity analysis. |
| Impurity Analysis | High-Performance Liquid Chromatography (HPLC) | Same as above; identifies and quantifies related substances (e.g., monochlorinated derivatives, pyridazine by-products) based on retention time. Impurity levels can be evaluated using peak area normalization or reference impurity substance methods. |
| Residual Solvent Testing | Gas Chromatography (GC) | In accordance with ICH guidelines, uses a capillary column (e.g., DB-624) and FID detector with programmed temperature ramping to separate potential residual organic solvents (e.g., methanol, ethanol, acetone, dichloromethane). Headspace injection is employed to enhance sensitivity and accuracy. |
| Water Content | Karl Fischer Titration | Quantifies water content in samples via an electrochemical reaction. Available in volumetric and coulometric modes, suitable for trace moisture detection. This method provides precise results and is the standard technique for controlling moisture in active pharmaceutical ingredients (APIs). |
| Polymorphic Form Analysis | X-Ray Powder Diffraction (XRD) | Determines the presence of polymorphism through characteristic diffraction patterns. Used to confirm consistency of crystalline form and ensure physical stability between batches. |
| Melting Point Determination | Melting Point Apparatus | Measures the melting temperature range using an automated or capillary melting point instrument. Used for preliminary identification and purity assessment—pure compounds typically exhibit sharp and reproducible melting points. |
| Structural Confirmation | Nuclear Magnetic Resonance Spectroscopy (NMR) | ¹H-NMR and ¹³C-NMR are used to confirm molecular structure by analyzing chemical shifts, coupling constants, and integration areas, verifying the structural correctness of 3,6-dichloropyridazine. Commonly applied for confirmation of starting materials or key intermediates. |
| Purity Analysis (Overall) | Ultraviolet-Visible Spectrophotometry (UV-Vis) | Measures absorbance at the maximum absorption wavelength and calculates concentration using a standard curve. Useful for rapid purity estimation but has lower specificity; often used as a supplementary method. |
| Elemental Analysis | Elemental Analyzer (CHNS/O Analysis) | Determines the percentage composition of elements such as C, H, N, and S in the sample. Results are compared with theoretical values to verify that the compound's composition matches the molecular formula C₄H₂Cl₂N₂. |
Technical Specifications of 3,6-Dichloropyridazine
| Test Item | Specification |
|---|---|
| Appearance | Off-white solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 58–62°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 3,6-Dichloropyridazine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3,6-Dichloropyridazine
Packaging of 3,6-Dichloropyridazine
Industrial 3,6-Dichloropyridazine 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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