4,4'-Methylenebis(N,N-dimethylaniline) Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 101-61-1 |
| Product name | 4,4'-Methylenebis(N,N-dimethylaniline) |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial 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(N,N-dimethylaniline)
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4,4'-Methylenebis(N,N-dimethylaniline) 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(N,N-dimethylaniline)
| Industry | Application | Process |
|---|---|---|
| Dye Industry | Intermediate for acid dyes, basic dyes, and mordant dyes | Diazotization-coupling reaction; condensation with aromatic amines or phenolic compounds |
| Pharmaceutical Industry | Key intermediate for antimalarial drugs (e.g., chloroquine, hydroxychloroquine) | Nucleophilic substitution reaction with heterocyclic compounds such as 4,7-dichloroquinoline |
| Rubber Industry | Raw material for rubber accelerators (e.g., accelerator D) | Condensation with carbon disulfide, formaldehyde, and other reagents under alkaline conditions |
| High-Performance Polymers | Curing agent for epoxy resins and crosslinker for polyurethanes | Reaction with epichlorohydrin to produce amine-based curing agents, or addition reaction with isocyanate groups |
Manufacturing Quality Control of 4,4'-Methylenebis(N,N-dimethylaniline)
| Test Item | Common Test Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the sample's color, physical state, and presence of impurities under natural or standard lighting; typically appears as white to off-white crystalline powder. |
| Melting Point | Capillary Melting Point Method (e.g., Pharmacopoeial Method) | Place the sample into a melting point capillary tube and heat at a specified rate using a melting point apparatus. Record the initial and final melting temperatures to assess purity and consistency. |
| Assay | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column with mobile phase such as methanol-water or acetonitrile-water. Detect with a UV detector (e.g., 254 nm) and calculate the active ingredient content using external standard or area normalization method. |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Similar conditions as assay, but optimized to effectively separate potential impurities (e.g., unreacted starting materials, oxidation products, dimers). Quantify impurities using area normalization or main component self-reference method with correction factors. |
| Loss on Drying | Gravimetric Loss on Drying (Constant Weight Method) | Dry the sample at a specified temperature (e.g., 105°C) until constant weight is achieved. Calculate the percentage weight loss to evaluate moisture and volatile content. |
| Sulfated Ash / Residue on Ignition | Residue on Ignition Test (Pharmacopoeial Method) | Char the sample and then ignite at high temperature (e.g., 700–800°C) until constant weight. Weigh the remaining inorganic residue to estimate inorganic impurity content. |
| pH Value (if prepared as solution) | pH Meter Method | Dissolve the sample in water to a specified concentration (e.g., 1%), and measure pH using a calibrated pH meter to detect acidic or basic impurities. |
| UV-Visible Absorption Spectrum | UV-Visible Spectrophotometry (UV-Vis) | Prepare a solution of appropriate concentration and scan absorbance over a specific wavelength range (e.g., 200–400 nm). Used for identification and preliminary purity assessment. |
Technical Specifications of 4,4'-Methylenebis(N,N-dimethylaniline)
| Test Item | Specification |
|---|---|
| Appearance | Off-white crystalline solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 128–132°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.1% |
| Color (APHA/Pt-Co) | <=100 |
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(N,N-dimethylaniline)
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4,4'-Methylenebis(N,N-dimethylaniline)
Safety Information of 4,4'-Methylenebis(N,N-dimethylaniline)
| Pictograms |   |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 4,4'-Methylenebis(N,N-dimethylaniline)
Industrial 4,4'-Methylenebis(N,N-dimethylaniline) 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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