4,4'-Methylenebis(2-ethylbenzenamine) Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 19900-65-3 |
| Product name | 4,4'-Methylenebis(2-ethylbenzenamine) |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeSpecialty GradeMaterial 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 4,4'-Methylenebis(2-ethylbenzenamine)
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4,4'-Methylenebis(2-ethylbenzenamine) Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4,4'-Methylenebis(2-ethylbenzenamine)
| Industry | Application | Process |
|---|---|---|
| Rubber Industry | Curing Agent | Used for epoxy resin curing to enhance material strength and heat resistance |
| Plastics Industry | Stabilizer | Improves antioxidant performance and thermal stability of plastic products |
| Coatings Industry | Curing Agent | Applied in two-component polyurethane coatings to improve adhesion and abrasion resistance |
| Anticorrosive Coatings | Functional Additive | Enhances corrosion protection and chemical stability of coatings |
| Pharmaceutical Intermediates | Synthetic Raw Material | Participates in synthesis reactions of pharmaceutical active ingredients |
| Dyes Industry | Intermediate | Used in the synthesis of high-performance dyes to improve color fastness |
Manufacturing Quality Control of 4,4'-Methylenebis(2-ethylbenzenamine)
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reversed-phase HPLC with UV detection at 254 nm, calibrated against certified reference standard. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, following ASTM D1565 or ISO 6383-2. |
| Moisture Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to quantify water content based on stoichiometric reaction. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 700-800 C in a platinum crucible and measuring non-volatile inorganic residue by weight difference. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification after acid digestion, using plasma excitation and optical emission detection. |
| Chloride Content | Potentiometric Titration with AgNO3 | Titration with silver nitrate using silver indicator electrode; endpoint detected by potential change due to AgCl precipitation. |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement | Comparison of sample solution color intensity against APHA platinum-cobalt standards using spectrophotometer at 430 nm. |
| Acid Value | Acid-Base Titration with NaOH | Neutralization of acidic impurities using standardized sodium hydroxide solution with phenolphthalein indicator. |
| Organic Volatile Impurities | GC-FID | Separation and quantification of residual solvents and volatile impurities using capillary GC with flame ionization detection. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry powder dispersion via laser scattering to determine size distribution based on Mie theory. |
| Bulk Density | Graduated Cylinder Method | Measurement of mass per unit volume for freely settled powder in a calibrated cylinder per ASTM D1895. |
| Sulfated Ash | Gravimetric Analysis | Ignition of sample with sulfuric acid pretreatment followed by weighing of residual inorganic sulfate ash. |
Technical Specifications of 4,4'-Methylenebis(2-ethylbenzenamine)
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 78-82°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=10 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 4,4'-Methylenebis(2-ethylbenzenamine)
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4,4'-Methylenebis(2-ethylbenzenamine)
Safety Information of 4,4'-Methylenebis(2-ethylbenzenamine)
| Pictograms |    |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 4,4'-Methylenebis(2-ethylbenzenamine)
Industrial 4,4'-Methylenebis(2-ethylbenzenamine) 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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