2,2',5,5'-Tetrachlorobenzidine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 15721-02-5 |
| Product name | 2,2',5,5'-Tetrachlorobenzidine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical 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 2,2',5,5'-Tetrachlorobenzidine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,2',5,5'-Tetrachlorobenzidine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2,2',5,5'-Tetrachlorobenzidine
| Industry | Application | Process |
|---|---|---|
| Pesticides | Fungicide intermediate | Used as an organic intermediate in the synthesis of high-efficiency fungicides for preparing chlorinated aromatic compounds |
| Chemicals | Dye intermediate | Applied in the synthesis of azo and sulfur dyes to provide chloroaniline structural units |
| Pharmaceuticals | Organic synthesis intermediate | Used to construct chlorinated diphenylamine structures in drug molecules, supporting R&D of anti-inflammatory or antimicrobial agents |
Manufacturing Quality Control of 2,2',5,5'-Tetrachlorobenzidine
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Content Determination | High-Performance Liquid Chromatography (HPLC) | Using a reverse-phase C18 column, with methanol-water or acetonitrile-water as the mobile phase for gradient elution. Detection is performed by a UV detector at around 254 nm. Quantification is achieved through external standard or internal standard methods. |
| Purity Analysis | Gas Chromatography-Mass Spectrometry (GC-MS) | Samples are derivatized and injected, separated by a capillary column, and detected by a mass spectrometer for qualitative and quantitative analysis of components. This assesses the purity of the main component and identifies impurities. |
| Organic Impurity Detection | High-Performance Liquid Chromatography-Mass Spectrometry (HPLC-MS) | Combines the high separation capability of HPLC with the high sensitivity and structural identification ability of MS, used to identify and quantify trace organic impurities such as degradation products or synthetic by-products. |
| Residual Solvent Detection | Gas Chromatography (GC) | Based on ICH guidelines, using headspace injection combined with a Flame Ionization Detector (FID), this method detects residual organic solvents (such as methanol, acetone, dichloromethane, etc.) from the production process. |
| Moisture Content | Karl Fischer Titration | Utilizes the quantitative reaction between iodine and sulfur dioxide in an anhydrous environment with water. Electrochemical titration is used to precisely determine the moisture content in the sample, suitable for solid or dissolved samples. |
| Melting Point Determination | Capillary Melting Point Method | The sample is placed in a capillary tube and gradually heated in a melting point apparatus. The initial and final melting temperatures are observed to assess its physical properties against standard ranges. |
| Appearance and Color | Visual Inspection | Under specified lighting conditions, the sample is placed on a white background, and its color, state, and presence of visible foreign matter are visually inspected to evaluate its appearance quality. |
| Heavy Metal Content | Atomic Absorption Spectroscopy (AAS) or Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | After digestion with nitric acid and hydrogen peroxide, the residual levels of heavy metals such as lead, arsenic, cadmium, and mercury are determined to ensure compliance with pharmacopoeia or environmental safety limits. |
Technical Specifications of 2,2',5,5'-Tetrachlorobenzidine
| Test Item | Specification |
|---|---|
| Appearance | Light yellow to orange crystalline powder |
| Purity | >=98.0% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 148–152°C |
| Water Content (KF) | <=0.5% |
| 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 2,2',5,5'-Tetrachlorobenzidine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2,2',5,5'-Tetrachlorobenzidine
Safety Information of 2,2',5,5'-Tetrachlorobenzidine
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 2,2',5,5'-Tetrachlorobenzidine
Industrial 2,2',5,5'-Tetrachlorobenzidine 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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