N,N'-diphenyl-N,N'-di-p-tolyl- Benzidine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 20441-06-9 |
| Product name | N,N'-diphenyl-N,N'-di-p-tolyl- Benzidine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeMaterial GradeElectronic 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 N,N'-diphenyl-N,N'-di-p-tolyl- Benzidine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk N,N'-diphenyl-N,N'-di-p-tolyl- Benzidine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of N,N'-diphenyl-N,N'-di-p-tolyl- Benzidine
| Industry | Application | Process |
|---|---|---|
| Chemicals | Antioxidant | Added as a stabilizer in synthetic polymer manufacturing |
| Plastics | Heat stabilizer | Added during polyamide and polyester production |
| Rubber | Anti-aging agent | Used as an auxiliary in rubber vulcanization |
| Coatings | Light stabilizer | Formulated as a UV absorber in coating systems |
| Electronic chemicals | Component of semiconductor photoresists | Employed as an intermediate in photosensitive resin synthesis |
Manufacturing Quality Control of N,N'-diphenyl-N,N'-di-p-tolyl- Benzidine
| 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. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration based on the reaction of iodine with water in a methanol-based reagent under controlled conditions. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 750 C in a platinum crucible and measuring mass of non-volatile inorganic residue after cooling. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification after acid digestion, using plasma excitation and emission wavelength detection. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride anions on an anion-exchange column with conductivity detection. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid using calibrated capillary tube method. |
| Organic Volatile Impurities | GC-FID | Identification and quantification of residual solvents by gas chromatography with flame ionization detection. |
| Color (APHA) | Visual Comparison or Spectrophotometer | Measurement of yellowness index by matching solution color to APHA platinum-cobalt standards or using spectrophotometric absorbance at 430 nm. |
| Bulk Density | Graduated Cylinder Method | Mass of material freely poured into a standardized cylinder divided by its volume, measured under defined conditions. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered light intensity patterns from dispersed particles to calculate size distribution based on Mie theory. |
| Sulfated Ash | Gravimetric Analysis | Sample ignited after sulfuric acid treatment; residue weighed following cooling in desiccator. |
| Related Substances | HPLC-DAD | Separation and detection of structurally similar impurities using HPLC with diode array detection for spectral confirmation. |
Technical Specifications of N,N'-diphenyl-N,N'-di-p-tolyl- Benzidine
| Test Item | Specification |
|---|---|
| Appearance | White to almost white powder or crystals |
| Purity | >=98.0% (by LC-MS) |
| Melting Point | 245–250 °C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| 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 N,N'-diphenyl-N,N'-di-p-tolyl- Benzidine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of N,N'-diphenyl-N,N'-di-p-tolyl- Benzidine
Packaging of N,N'-diphenyl-N,N'-di-p-tolyl- Benzidine
Industrial N,N'-diphenyl-N,N'-di-p-tolyl- Benzidine 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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