4-Aminophthalhydrazide Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 3682-14-2 |
| Product name | 4-Aminophthalhydrazide |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeMaterial GradeSpecialty 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 4-Aminophthalhydrazide
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Aminophthalhydrazide Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Aminophthalhydrazide
| Industry | Application | Process |
|---|---|---|
| Chemical Intermediates | Intermediate for synthesis of pharmaceuticals and agrochemicals | Prepared via condensation of phthalic anhydride with hydrazine derivatives, followed by amination |
| Pharmaceuticals | Synthesis of anticancer agents and antibiotic derivatives | Serves as a key intermediate in multistep syntheses, enabling introduction of amino and acylhydrazide groups to enhance biological activity |
| Agrochemicals | Development of novel fungicides and herbicides | Functions as a structural building block in heterocyclic compound synthesis to improve selectivity toward target organisms |
| Polymers | Crosslinking agent or functional monomer | Provides reactive sites during polymerization to improve thermal stability and mechanical properties |
| Analytical Chemistry | Reference standard or reagent for trace metal analysis | Forms stable chelation complexes with transition metal ions for colorimetric or fluorometric analysis |
Manufacturing Quality Control of 4-Aminophthalhydrazide
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at ~365 nm, based on peak area comparison against a certified reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of impurities (e.g., 4-nitrophthalhydrazide, phthalic acid derivatives) using gradient HPLC-UV; identification via retention time matching and/or spiked standards. |
| Residual Solvents (e.g., DMF, ethanol) | GC-FID | Headspace GC with flame ionization detection to quantify volatile organic solvents based on calibrated external standard curves. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification of heavy metals (Pb, Cd, Hg, As, Cr) after microwave-assisted acid digestion; detection by plasma optical emission spectroscopy. |
| Loss on Drying (LOD) | Gravimetric (Thermogravimetric) | Mass loss measured after drying at 105 °C for 2 hours under controlled humidity; reflects volatile content and residual moisture. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid-to-liquid phase transition temperature range using calibrated capillary apparatus per USP <741>. |
| pH (1% aqueous suspension) | pH Meter | Measurement of hydrogen ion activity in a saturated aqueous suspension; indicates acidic/basic impurities or hydrolytic degradation. |
| Sulfated Ash | Gravimetric (Ignition Method) | Residue mass after incineration at 600–700 °C following sulfuric acid treatment; estimates inorganic residue content. |
| Water Content (Karl Fischer) | Coulometric Karl Fischer Titration | Electrochemical titration quantifying water via iodine generation; highly specific for trace moisture in hygroscopic solids. |
| Appearance and Color | Visual Inspection / Hazen/APHA Scale | Subjective assessment of physical state (crystalline powder) and color intensity against APHA color standard solution. |
| Residual Hydrazine | Derivatization HPLC-UV | Post-column derivatization with benzaldehyde followed by HPLC-UV detection; selective quantification of free hydrazine as hydrazone derivative. |
| Chloride (Cl⁻) | Ion Chromatography (IC) | Anion-exchange chromatography with suppressed conductivity detection; quantifies chloride from synthesis residues or salt impurities. |
| Specific Optical Rotation | [α]D | Polarimetric measurement at 589 nm (Na-D line); confirms chiral purity and absence of racemization (though compound is achiral, detects chiral contaminants). |
Technical Specifications of 4-Aminophthalhydrazide
| Test Item | Specification |
|---|---|
| Appearance | Brown solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 210–215 °C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 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 4-Aminophthalhydrazide
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Aminophthalhydrazide
Packaging of 4-Aminophthalhydrazide
Industrial 4-Aminophthalhydrazide 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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