3,3'-Diaminobenzidine tetrahydrochloride dihydrate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 167684-17-5 |
| Product name | 3,3'-Diaminobenzidine tetrahydrochloride dihydrate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical 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 3,3'-Diaminobenzidine tetrahydrochloride dihydrate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3,3'-Diaminobenzidine tetrahydrochloride dihydrate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3,3'-Diaminobenzidine tetrahydrochloride dihydrate
| Industry | Application | Process |
|---|---|---|
| Chemical Synthesis | Used as an organic synthesis intermediate for the preparation of azo dyes and high-performance polymers | Reacted with aromatic amines via diazotization coupling to form azo structures; subsequently purified by hydrochloride salt formation |
| Materials Science | Employed as a precursor for synthesizing conductive polymers and functionalized nanomaterials | Copolymerized with aniline-based monomers under oxidative polymerization conditions to form conjugated polymer backbones |
| Analytical Chemistry | Used as a colorimetric reagent for detecting peroxides or metal ions (e.g., iron, copper) | Reacted with hydrogen peroxide in acidic medium to generate colored products for colorimetric determination |
| Biochemistry | Applied as a crosslinking agent for enzyme or protein immobilization (limited use) | Reacted with aldehydes to form Schiff bases, enabling biomolecule conjugation and immobilization |
Manufacturing Quality Control of 3,3'-Diaminobenzidine tetrahydrochloride dihydrate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 254 nm, comparing peak area against a certified reference standard. |
| Related Substances | HPLC-DAD | Separation and identification of impurities using HPLC coupled with diode-array detection; impurities quantified relative to main peak. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration with iodine-based reagent to determine water content based on stoichiometric reaction with water. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 700-800 C to combust organic matter; inorganic residue weighed after cooling in desiccator. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element detection by inductively coupled plasma optical emission spectroscopy after acid digestion and dilution. |
| Chloride Content | Potentiometric Titration | Titration with silver nitrate using silver indicator electrode; endpoint detected by potential change. |
| pH of Aqueous Solution | pH Meter Measurement | Measurement of hydrogen ion activity in a 1% w/v aqueous suspension using calibrated pH electrode. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid using controlled heating and visual observation. |
| Organic Volatile Impurities | GC-FID | Separation and quantification of residual solvents by gas chromatography with flame ionization detection. |
| Sulfated Ash | Gravimetric Analysis | Sample treated with sulfuric acid then ignited at 600-700 C; ash weight measured after cooling. |
| Bulk Density | Graduated Cylinder Method | Mass of material poured into standardized cylinder divided by its volume, measured under defined tapping conditions. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity to calculate particle size distribution based on Mie theory. |
Technical Specifications of 3,3'-Diaminobenzidine tetrahydrochloride dihydrate
| Test Item | Specification |
|---|---|
| Appearance | Off-white to light yellow crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 235°C - 240°C (decomposes) |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
| Solubility | Soluble in water and methanol; slightly soluble in ethanol; insoluble in ether |
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 3,3'-Diaminobenzidine tetrahydrochloride dihydrate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3,3'-Diaminobenzidine tetrahydrochloride dihydrate
Safety Information of 3,3'-Diaminobenzidine tetrahydrochloride dihydrate
| Pictograms |  |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 3,3'-Diaminobenzidine tetrahydrochloride dihydrate
Industrial 3,3'-Diaminobenzidine tetrahydrochloride dihydrate 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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