Dimethyldiphenylene-3-base amine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1890112-76-1 |
| Product name | Dimethyldiphenylene-3-base amine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeElectronic GradeMaterial 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 Dimethyldiphenylene-3-base amine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Dimethyldiphenylene-3-base amine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Dimethyldiphenylene-3-base amine
| Industry | Application | Process |
|---|---|---|
| Organic Electronic Materials | Used as a hole-transport material (HTM) in organic light-emitting diode (OLED) devices | Applied in vacuum thermal evaporation or solution-based fabrication of OLED functional layers |
| Optoelectronic Materials | Serves as an intermediate in the synthesis of high-performance thermally activated delayed fluorescence (TADF) materials | Employed in multistep organic synthesis, such as Ullmann coupling or Buchwald–Hartwig amination |
| Pharmaceutical R&D | Functions as a structural building block for nitrogen-containing heterocyclic compounds with biological activity | Used as a synthetic building block in organic synthesis for C–N bond-forming reactions |
Manufacturing Quality Control of Dimethyldiphenylene-3-base amine
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reverse-phase chromatography with UV detection at 254 nm, based on peak area comparison against reference standard. |
| Related Substances | HPLC-DAD | Separates and detects impurities using gradient HPLC with diode-array detection; identification and quantification rely on retention time and spectral match. |
| Residual Solvents | GC-FID | Measures volatile organic solvents by gas chromatography with flame ionization detection, using headspace sampling and internal standard calibration. |
| Water Content | Karl Fischer Titration | Determines trace water via coulometric or volumetric titration where iodine reacts stoichiometrically with water in a pyridine-methanol solvent system. |
| Heavy Metals | ICP-MS | Quantifies trace metal contaminants (e.g., Pb, Cd, Ni) after acid digestion using inductively coupled plasma mass spectrometry with isotopic detection. |
| Chloride Content | Ion Chromatography | Separates and quantifies chloride ions using suppressed conductivity detection after anion exchange separation with carbonate eluent. |
| Melting Point | Capillary Melting Point Apparatus | Measures temperature range at which solid transitions to liquid, indicating purity and identity via thermal behavior. |
| Appearance | Visual Inspection | Assesses physical state, color, and presence of visible particulates or discoloration under controlled white light against established reference standards. |
| Bulk Density | ASTM D1895 Method A | Determines mass per unit volume of freely settled powder using a calibrated graduated cylinder and analytical balance. |
| Particle Size Distribution | Laser Diffraction | Measures size distribution of dry powder particles by analyzing angular scattering pattern of laser beam passing through dispersed sample. |
| Residue on Ignition | Gravimetric Analysis | Quantifies non-volatile inorganic residue after high-temperature ashing (700-800 C) followed by precise weighing of the crucible residue. |
| Specific Optical Rotation | Polarimetry | Measures rotation of plane-polarized light by chiral compounds in solution using sodium D-line; confirms stereochemical integrity if applicable. |
Technical Specifications of Dimethyldiphenylene-3-base amine
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Melting Point | 142–146°C |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.3% |
| Heavy Metals | <=20 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 Dimethyldiphenylene-3-base amine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Dimethyldiphenylene-3-base amine
Industrial Dimethyldiphenylene-3-base amine 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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