1,4-Dichlorophthalazine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 4752-10-7 |
| Product name | 1,4-Dichlorophthalazine |
| 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 1,4-Dichlorophthalazine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,4-Dichlorophthalazine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,4-Dichlorophthalazine
| Industry | Application | Process |
|---|---|---|
| Pesticides | Fungicide intermediate | Used in the synthesis of fungicidal active ingredients |
| Pharmaceuticals | Pharmaceutical intermediate | Serves as an intermediate in the synthesis of certain drugs |
| Chemical raw materials | Synthetic material intermediate | Used to produce other chlorinated heterocyclic compounds |
Manufacturing Quality Control of 1,4-Dichlorophthalazine
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reversed-phase HPLC with UV detection at 254 nm, calibrated against certified reference standard. |
| Moisture Content | Karl Fischer Titration | Volumetric or coulometric titration based on the stoichiometric reaction of water with iodine and sulfur dioxide in pyridine/methanol medium. |
| Residual Solvents | GC-FID | Separation and quantification of volatile organic solvents (e.g., dichloromethane, toluene) using gas chromatography with flame ionization detection. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification after acid digestion; detection based on atomic emission intensities at characteristic wavelengths. |
| Chloride Impurities | Ion Chromatography | Separation of anions (Cl-, SO42-, NO3-) on anion-exchange column with suppressed conductivity detection. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, measured under controlled heating rate per USP <741>. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of visible particulates or discoloration against established reference standards. |
| Particle Size Distribution | Laser Diffraction | Measurement of scattered light intensity as a function of angle to calculate particle size distribution in dry or wet dispersion. |
| Loss on Drying | Gravimetric Method | Mass loss determined after drying sample at specified temperature (e.g., 105 C) for fixed duration under controlled atmosphere. |
| Organic Volatile Impurities | GC-MS | Identification and quantification of trace volatile impurities using gas chromatography coupled with mass spectrometric detection. |
| Related Substances | HPLC-DAD | Detection and quantification of structurally related impurities using HPLC with diode array detection and peak area comparison. |
| pH of Aqueous Suspension | Potentiometric Titration | Measurement of hydrogen ion activity in saturated aqueous suspension using calibrated glass electrode and pH meter. |
Technical Specifications of 1,4-Dichlorophthalazine
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (by LC-MS) |
| Melting Point | 142–146°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
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 1,4-Dichlorophthalazine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,4-Dichlorophthalazine
Packaging of 1,4-Dichlorophthalazine
Industrial 1,4-Dichlorophthalazine 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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