4-Dimethylaminopyridine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1122-58-3 |
| Product name | 4-Dimethylaminopyridine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeReagent 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-Dimethylaminopyridine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Dimethylaminopyridine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Dimethylaminopyridine
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Catalyst for acylation reactions in the synthesis of antibiotics, vitamins, and other pharmaceuticals | Organic synthesis catalytic process |
| Polymer Chemistry | Catalyst for polyester and polyurethane synthesis, promoting esterification reactions | Polymerization catalytic process |
| Fine Chemicals | Catalyst for intermediate reactions in the synthesis of dyes, fragrances, and liquid crystal materials | Catalytic esterification or acylation process |
| Agricultural Chemistry | Catalyst for pesticide synthesis, including herbicides and insecticides | Organic synthesis catalytic process |
| Academic Research | High-efficiency acylating agent for organic synthetic methodology studies | Laboratory-scale catalytic reaction |
Manufacturing Quality Control of 4-Dimethylaminopyridine
| Test Item | Common Testing Method | Method Summary |
|---|---|---|
| Appearance | Visual Inspection | Observe the color and physical state of the sample under natural or standard lighting to determine if it is white to off-white crystalline powder. |
| Assay | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column with a UV detector (typically at 260–280 nm). The content of DMAP is calculated by comparing peak areas with a reference standard. Common mobile phases include methanol-water or acetonitrile-buffer salt systems. |
| Melting Point | Melting Point Apparatus | Determine the melting temperature range using an automated or capillary melting point apparatus. The melting point of pure DMAP is approximately 111–113°C. |
| Moisture Content | Karl Fischer Titration | Determine moisture content in the sample using electrochemical titration. This method is suitable for trace water detection and ensures that the DMAP meets required dryness specifications. |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Similar to assay determination, but employs gradient elution or longer retention times to separate and detect potential organic impurities such as residual starting materials or degradation products. |
| Residual Solvents | Gas Chromatography (GC) | Detect organic solvents possibly remaining from manufacturing (e.g., methanol, ethanol, acetone, dichloromethane) according to ICH guidelines, using appropriate detectors such as FID. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | Digest the sample and measure concentrations of heavy metal elements such as lead, mercury, cadmium, and arsenic to ensure compliance with pharmacopeial or industrial limits. |
| Residue on Ignition (Sulfated Ash) | Gravimetric Method | Ignite the sample at high temperature and treat with sulfuric acid, then weigh the remaining inorganic residue to assess total inorganic impurity content. |
| pH (Solution) | pH Meter Method | Prepare a solution of DMAP at a defined concentration (e.g., 1% w/v), and measure its pH using a calibrated pH meter. |
Technical Specifications of 4-Dimethylaminopyridine
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Melting Point | 109.0–112.0 °C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| 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-Dimethylaminopyridine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Dimethylaminopyridine
Packaging of 4-Dimethylaminopyridine
Industrial 4-Dimethylaminopyridine 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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