4,4'-AZODIANILINE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 538-41-0 |
| Product name | 4,4'-AZODIANILINE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Reagent GradeIndustrial GradeSpecialty 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 4,4'-AZODIANILINE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4,4'-AZODIANILINE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4,4'-AZODIANILINE
| Industry | Application | Process |
|---|---|---|
| Dye Industry | Intermediate for synthesizing azo dyes, used in the production of direct dyes, acid dyes, and reactive dyes | Diazotization-coupling reaction: p-Phenylenediamine azobenzene is first diazotized with sodium nitrite/hydrochloric acid, then coupled with phenolic or aromatic amine compounds to yield the target dye |
| Organic Synthesis | Structural building block for functional azo compounds (e.g., photoresponsive materials, liquid crystal materials) | Derivatization reactions—including reduction, alkylation, and sulfonation—to introduce specific functional groups for tuning photophysical properties |
| Analytical Chemistry | Color-developing reagent in thin-layer chromatography (TLC) or paper chromatography for detecting certain metal ions (e.g., Cu²⁺, Ni²⁺) | Forms colored complexes with metal ions, enabling qualitative or semi-quantitative analysis under specified pH conditions |
Manufacturing Quality Control of 4,4'-AZODIANILINE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reverse-phase HPLC with UV detection at 254 nm based on peak area comparison to reference standard. |
| Related Substances | HPLC-UV | Detects and quantifies impurities (e.g., aniline, nitrobenzene, azobenzene) via HPLC separation and UV response relative to main peak. |
| Moisture Content | Karl Fischer Titration | Determines water content by coulometric or volumetric titration using iodine generated in situ reacting stoichiometrically with water. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue after high-temperature ashing (700-800 C) and weighing of the remaining ash. |
| Heavy Metals (as Pb) | AAS (Flame or Graphite Furnace) | Quantifies total heavy metals by atomic absorption spectroscopy after acid digestion and calibration against lead standard. |
| Sulfated Ash | Gravimetric Analysis | Determines inorganic sulfate residue after treatment with sulfuric acid and ignition; weight difference reflects sulfated ash content. |
| Chloride Content | Ion Chromatography | Separates and quantifies chloride ions using anion-exchange column with conductivity detection after sample dissolution and filtration. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid using calibrated capillary tube method per USP/Ph. Eur. guidelines. |
| Organic Volatile Impurities | GC-FID | Identifies and quantifies residual solvents (e.g., toluene, xylene, DMF) by gas chromatography with flame ionization detection. |
| Particle Size Distribution | Laser Diffraction | Measures particle size distribution in dispersed suspension using angular scattering pattern of laser light. |
| Bulk Density | ASTM D1895 Method A | Determines mass per unit volume of freely settled powder using standardized cylinder and funnel apparatus. |
| pH of Aqueous Suspension | Potentiometric pH Measurement | Measures hydrogen ion activity in 1% w/v aqueous suspension using calibrated pH electrode and buffer standards. |
Technical Specifications of 4,4'-AZODIANILINE
| Test Item | Specification |
|---|---|
| Appearance | Orange solid |
| ldentification(NMR) | Conforms to structure |
| Purity | ≥95.0% |
| Total of impurities | Maximum 1.00 percent |
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 4,4'-AZODIANILINE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4,4'-AZODIANILINE
Packaging of 4,4'-AZODIANILINE
Industrial 4,4'-AZODIANILINE 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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