1,2-Diamino-3-nitrobenzene Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 3694-52-8 |
| Product name | 1,2-Diamino-3-nitrobenzene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeIndustrial GradeSpecialty Grade |
| Packaging | 5KG/bag25KG/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 1,2-Diamino-3-nitrobenzene
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,2-Diamino-3-nitrobenzene Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,2-Diamino-3-nitrobenzene
| Industry | Application | Process |
|---|---|---|
| Dye Industry | Key intermediate for synthesizing azo dyes and reactive dyes, used in producing dark-shade dyes such as black and brown | Diazotization-coupling reaction, coupled with aromatic compounds (e.g., H-acid, J-acid) |
| Pharmaceutical Industry | Intermediate for synthesizing antitumor agents (e.g., certain benzimidazole derivatives) and antimicrobial agents | Cyclization, reduction, or condensation with heterocyclic compounds |
| Pesticide Industry | Intermediate for preparing fungicides and insecticides, including certain triazole-based pesticides | Substitution or condensation reactions with haloalkanes, aldehydes, etc. |
| Organic Synthesis | Used to construct multifunctional heterocyclic compounds containing nitro and amino groups (e.g., benzotriazole, quinoxaline derivatives) | High-temperature cyclization, catalytic hydrogenation, oxidation, or metal-catalyzed cross-coupling reactions |
Manufacturing Quality Control of 1,2-Diamino-3-nitrobenzene
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reverse-phase HPLC with UV detection at 254 nm, comparing peak area against a certified reference standard. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water content via iodine-sulfur dioxide reaction in methanol-based solvent. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 700-800 C in a platinum crucible and weighing the non-volatile inorganic residue. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after acid digestion by measuring absorbance of atomic vapor at characteristic wavelengths. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride anions using suppressed conductivity detection after aqueous elution. |
| Sulfate Impurity | Barium Sulfate Gravimetry | Precipitation of sulfate as BaSO4 in acidic medium followed by filtration, drying, and weighing. |
| Iron Content | Colorimetric Spectrophotometry (1,10-Phenanthroline) | Formation of orange-red Fe(II)-phenanthroline complex measured at 510 nm after reduction and chelation. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range over which solid transitions to liquid using calibrated capillary tube method. |
| Organic Volatile Impurities | Gas Chromatography (GC-FID) | Separation and quantification of residual solvents and low-boiling impurities using flame ionization detection. |
| Related Substances | HPLC-DAD | Identification and quantification of structurally related impurities using diode array detection and retention time comparison. |
| pH of Aqueous Suspension | Potentiometric pH Measurement | Measurement of hydrogen ion activity in a saturated aqueous suspension using calibrated glass electrode. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity patterns to calculate volume-based particle size distribution. |
Technical Specifications of 1,2-Diamino-3-nitrobenzene
| Test Item | Specification |
|---|---|
| Appearance | Brown to dark brown crystalline powder |
| Purity | >=98.5% |
| Melting Point | 162°C - 166°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.4% |
| 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 1,2-Diamino-3-nitrobenzene
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,2-Diamino-3-nitrobenzene
Packaging of 1,2-Diamino-3-nitrobenzene
Industrial 1,2-Diamino-3-nitrobenzene 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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