4,4'-Iminodianiline Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 537-65-5 |
| Product name | 4,4'-Iminodianiline |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial GradeElectronic 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 4,4'-Iminodianiline
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4,4'-Iminodianiline Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4,4'-Iminodianiline
| Industry | Application | Process |
|---|---|---|
| Dye Industry | Used as a dye intermediate for synthesizing azo dyes, sulfur dyes, etc. | Azo coupling, sulfuration |
| Rubber Industry | Used as a rubber antioxidant (e.g., antioxidant DNP) to retard rubber aging | Mastication, vulcanization |
| Polymers | Used as a curing agent or modifier for polyurethanes and epoxy resins | Polymerization, crosslinking |
| Pharmaceutical Industry | Used as a pharmaceutical intermediate (e.g., for antimalarial and antitumor agents) | Condensation, catalytic hydrogenation |
| Electronic Materials | Used in the preparation of conductive polymers or optoelectronic materials | Electrochemical polymerization, vacuum evaporation |
| Analytical Chemistry | Used as a colorimetric reagent or indicator for metal ion detection | Complexation, spectrophotometry |
Manufacturing Quality Control of 4,4'-Iminodianiline
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Acid-Base Titration | Quantifies primary amine groups by titration with standardized HCl solution using methyl orange indicator. |
| Moisture Content | Karl Fischer Titration | Determines water content via coulometric or volumetric reaction between water and iodine in pyridine-methanol medium. |
| Melting Point | Capillary Melting Point Apparatus | Measures temperature range at which solid transitions to liquid, indicating purity and identity. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Evaluates yellowness/browning by comparing sample solution color to APHA platinum-cobalt standards. |
| Residue on Ignition | Gravimetric Analysis | Determines inorganic ash content by high-temperature incineration and weighing of residual material. |
| Heavy Metals | ICP-OES | Quantifies trace metal impurities (e.g., Pb, Fe, Cu) by plasma excitation and elemental emission spectroscopy. |
| Chloride Content | Potentiometric Titration | Measures chloride ions using silver nitrate titrant and silver-sulfide electrode detection. |
| Organic Impurities | HPLC-UV | Separates and quantifies related substances (e.g., aniline, diphenylamine) using reversed-phase chromatography and UV detection. |
| Sulfated Ash | Gravimetric Analysis | Determines non-volatile inorganic residue after sulfuric acid treatment and high-temperature ignition. |
| Bulk Density | Graduated Cylinder Method | Measures mass per unit volume of freely settled powder under standardized conditions. |
| Particle Size Distribution | Laser Diffraction | Analyzes size distribution by measuring angular variation in laser light scattering from dispersed particles. |
| pH of Aqueous Slurry | pH Meter | Determines acidity/basicity of saturated aqueous suspension using calibrated glass electrode. |
Technical Specifications of 4,4'-Iminodianiline
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Melting Point | 162-166°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.4% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 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 4,4'-Iminodianiline
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4,4'-Iminodianiline
Packaging of 4,4'-Iminodianiline
Industrial 4,4'-Iminodianiline 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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