4,5-Dichloro-1,2-benzenediamine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 5348-42-5 |
| Product name | 4,5-Dichloro-1,2-benzenediamine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical 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 4,5-Dichloro-1,2-benzenediamine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4,5-Dichloro-1,2-benzenediamine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4,5-Dichloro-1,2-benzenediamine
| Industry | Application | Process |
|---|---|---|
| Chemical Intermediates | Synthesis of benzimidazole compounds | Cyclization via condensation with carboxylic acids or derivatives (e.g., phthalic anhydride) to produce pharmaceutical or agrochemical intermediates |
| Pharmaceutical Industry | Drug synthesis precursor | Key raw material for constructing heterocyclic structures in active pharmaceutical ingredients, including antiparasitic and antifungal agents |
| Agrochemicals | Fungicide/insecticide intermediate | Used in synthesizing biologically active benzimidazole-based agrochemicals |
| Dye Industry | Intermediate for azo dyes or functional dyes | Diazotization followed by coupling to produce organic dyes with specific shade or functionality |
Manufacturing Quality Control of 4,5-Dichloro-1,2-benzenediamine
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Determination of 4,5-dichloro-1,2-phenylenediamine content | High-Performance Liquid Chromatography (HPLC) | Reverse-phase HPLC (RP-HPLC) is used with a C18 column as the stationary phase and UV detection at 254 nm or 280 nm. Quantification is performed using external standard or internal standard methods. This method offers high sensitivity, good reproducibility, and is suitable for purity and content analysis. |
| Purity analysis of 4,5-dichloro-1,2-phenylenediamine | Gas Chromatography-Mass Spectrometry (GC-MS) | After derivatization (e.g., acetylation), samples are analyzed by GC-MS. Qualitative and quantitative analysis is achieved using characteristic ion fragments from mass spectrometry, enabling effective identification of structurally similar compounds and impurities. This method is ideal for precise detection of trace components in complex matrices. |
| Impurity profiling (e.g., isomers, oxidation products, etc.) | Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) | Used for separation and identification of trace impurities such as unreacted raw materials, by-products, and degradation products. Combined with multiple reaction monitoring (MRM) mode, it provides high selectivity and sensitivity, making it suitable for stringent quality control requirements. |
| Structural confirmation and molecular identification | Nuclear Magnetic Resonance Spectroscopy (NMR) | ¹H-NMR and ¹³C-NMR are employed to confirm compound structure, providing detailed information on hydrogen and carbon chemical environments. NMR is considered the "gold standard" for structural verification, commonly used for newly synthesized compounds or validation of raw material sources. |
| UV-Visible Spectroscopy Analysis | UV-Vis Spectrophotometry | Scanning absorption spectra in a specific wavelength range (e.g., 230–270 nm) to preliminarily confirm compound presence and assess purity. Simple to operate but with limited specificity, typically used as a supporting technique. |
| Thermal Analysis (Melting Point, Thermal Stability) | Differential Scanning Calorimetry (DSC) / Thermogravimetric Analysis (TGA) | DSC is used to determine melting point and phase transition behavior, while TGA evaluates thermal decomposition temperature and stability. These techniques help assess sample purity and detect potential eutectic mixtures, supporting quality control efforts. |
Technical Specifications of 4,5-Dichloro-1,2-benzenediamine
| Test Item | Specification |
|---|---|
| Appearance | Brown solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 125-130°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 4,5-Dichloro-1,2-benzenediamine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4,5-Dichloro-1,2-benzenediamine
Safety Information of 4,5-Dichloro-1,2-benzenediamine
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 4,5-Dichloro-1,2-benzenediamine
Industrial 4,5-Dichloro-1,2-benzenediamine 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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