Diaminomaleonitrile Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1187-42-4 |
| Product name | Diaminomaleonitrile |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeMaterial 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 Diaminomaleonitrile
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Diaminomaleonitrile Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Diaminomaleonitrile
| Industry | Application | Process |
|---|---|---|
| Chemical Industry | Intermediate for synthesizing organic compounds | Reacted with ammonia to produce diamino maleonitrile |
| Pesticide Industry | Intermediate for pesticide synthesis | Used in the synthesis of certain herbicides and insecticides |
| Pharmaceutical Industry | Intermediate for drug synthesis | Employed in constructing specific drug molecular frameworks |
| Polymer Materials | Monomer for polymer synthesis | Serves as a feedstock in polymerization reactions |
Manufacturing Quality Control of Diaminomaleonitrile
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Purity | High-Performance Liquid Chromatography (HPLC) | Utilizes a C18 reversed-phase column with water-acetonitrile or methanol as the mobile phase, and ultraviolet detection (typically at 254 nm). The main component purity is calculated using area normalization or external standard method, effectively separating impurities. |
| Content Determination | Ultraviolet-Visible Spectrophotometry (UV-Vis) | Based on the characteristic absorption peak of diaminomaleonitrile at 250–270 nm. Sample concentration is determined via standard curve method, suitable for rapid quantification; however, prone to interference from impurities and requires prior purification. |
| Moisture Content | Karl Fischer Titration | Employs the quantitative reaction between iodine and sulfur dioxide in the presence of pyridine and methanol to determine trace water content. Measured by potentiometric or coulometric methods, this technique enables precise moisture determination in organic compounds with ppm-level accuracy. |
| Melting Point | Melting Point Apparatus | Determined using capillary method or automatic melting point instrument. The literature melting range is approximately 165–168°C, used for preliminary purity assessment—impurities typically lower the melting point or broaden the melting range. |
| Particle Size Distribution | Laser Particle Size Analyzer | For solid powder samples, dry or wet dispersion is performed, followed by laser diffraction measurement to determine particle size distribution. Useful for controlling powder morphology and ensuring uniform reactivity, especially important in polymer synthesis. |
| Residual Solvents | Gas Chromatography (GC) | Uses headspace or direct injection with polar columns (e.g., DB-WAX) for separation and detection of common residual solvents such as ethanol, acetone, DMF. Flame ionization detector (FID) is used for quantification, compliant with ICH Q3C guidelines. |
| Chloride/Inorganic Impurities | Ion Chromatography (IC) | Separates anions (e.g., Cl⁻, SO₄²⁻) via anion exchange column and detects them using conductivity detection. Suitable for assessing inorganic salt impurities introduced during raw materials or synthesis processes. |
| Nitrogen Content | Kjeldahl Method or Elemental Analyzer (EA) | Organic nitrogen is converted to ammonium salt through acid digestion, followed by distillation and titration (Kjeldahl method), or high-temperature combustion in an elemental analyzer to measure N₂ gas content. Used to verify nitrogen content in molecular formula (C₄H₄N₄). |
| Thermal Stability | Thermogravimetric Analysis (TGA) / Differential Scanning Calorimetry (DSC) | TGA measures mass loss during heating to assess decomposition temperature; DSC detects endothermic peaks (e.g., melting) and exothermic peaks (e.g., decomposition), providing insights into thermal stability and phase transition behavior, aiding in process condition optimization. |
| Structural Confirmation | Nuclear Magnetic Resonance Spectroscopy (¹H/¹³C NMR) | Hydrogen and carbon spectra are measured in DMSO-d₆ or CDCl₃ solvent. Characteristic chemical shifts (e.g., CH=N proton at δ 7.8–8.2 ppm) are compared to confirm molecular structure and detect possible isomers or degradation products. |
| Polymorph Analysis | X-Ray Powder Diffraction (XRPD) | Measures the crystalline diffraction pattern of the sample and compares it with reference patterns to ensure consistency in crystallization processes, preventing variations in solubility or reactivity due to different polymorphic forms. |
Technical Specifications of Diaminomaleonitrile
| Test Item | Specification |
|---|---|
| Appearance | Pale-brown solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 168–172 °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 Diaminomaleonitrile
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NMR Spectra of Diaminomaleonitrile
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Industrial Diaminomaleonitrile 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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