Phthalazine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 253-52-1 |
| Product name | Phthalazine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial GradeElectronic GradeReagent 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 Phthalazine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Phthalazine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Phthalazine
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Intermediate | Used in the synthesis of various pharmaceuticals, including antidepressants, antipsychotics, and analgesics. |
| Industrial Manufacturing | Catalyst | Applied as a catalyst in organic synthesis reactions, such as cyclization and condensation reactions. |
| Materials Science | Raw Material | Used to prepare high-performance materials, including polyimides and other high-performance polymers. |
| Chemical Industry | Synthetic Reagent | Used in the synthesis of various organic compounds, including nitrogen-containing heterocycles and polycyclic aromatic compounds. |
| Research | Chemical Reaction Studies | Applied in studies on synthetic methodologies and reaction mechanisms of nitrogen-containing heterocycles. |
| Petrochemical Industry | Catalyst | Applied to catalyze key reactions in certain petrochemical processes, enhancing reaction efficiency. |
| Electronics Industry | Organic Conductive Materials | Used to prepare organic conductive materials, including conductive polymers and organic semiconductors. |
| Pesticide Industry | Intermediate | Used in the synthesis of key structural units in pesticides. |
| Dye Industry | Intermediate | Used to prepare intermediates for certain dyes and pigments. |
| Polymers Industry | Monomer or Crosslinking Agent | Applied as a monomer or crosslinking agent in the preparation of specific polymer types. |
Manufacturing Quality Control of Phthalazine
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the sample's color, physical state (e.g., white to off-white crystalline powder), and presence of foreign matter under natural or standard lighting conditions. |
| Melting Point | Capillary Melting Point Method | Determine the melting temperature range using a melting point apparatus or Thiele tube method to assess purity and consistency. |
| Identification | Infrared Spectroscopy (IR) | Use an infrared spectrometer to measure characteristic absorption peaks of the sample and compare with reference spectra to confirm molecular structure. |
| Proton Nuclear Magnetic Resonance (¹H NMR) | Record the hydrogen spectrum in a deuterated solvent to verify structural features of the molecule. | |
| Assay | High-Performance Liquid Chromatography (HPLC) | Employ a reversed-phase C18 column with a suitable mobile phase (e.g., methanol-water or acetonitrile-water) under isocratic or gradient elution, and use a UV detector (typically at 254 nm) for quantitative analysis of the active ingredient. |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Similar conditions as assay, but optimized to separate and detect potential impurities (e.g., synthesis intermediates, degradation products). Impurity levels are evaluated by area normalization or main component self-reference method with correction factors. |
| Loss on Drying | Weight Loss upon Drying | Dry the sample at a specified temperature (e.g., 105°C) to constant weight and calculate the percentage weight loss to estimate moisture and volatile content. |
| Sulfated Ash / Residue on Ignition | High-Temperature Ignition Method | Ignite the sample at high temperature (typically 700–800°C) and weigh the residual ash to control total inorganic impurities. |
| Water Content | Karl Fischer Titration | Use volumetric or coulometric Karl Fischer titration to accurately determine trace water content in the sample. |
| Residual Solvents | Gas Chromatography (GC) | Use headspace or direct injection with an FID detector, following pharmacopoeial methods to detect organic solvents possibly remaining from synthesis (e.g., toluene, ethanol). |
Technical Specifications of Phthalazine
| Test Item | Specification |
|---|---|
| Appearance | Brown solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 112–116 °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 Phthalazine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Phthalazine
Packaging of Phthalazine
Industrial Phthalazine 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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