China Factory Direct
|
|
| CAS number | 10543-57-4 |
| Product name | Tetraacetylethylenediamine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeSpecialty 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Drug synthesis | Used to prepare specific drug molecules via reaction with other compounds |
| Agrochemical Intermediates | Pesticide synthesis | Participates as a component in synthetic routes |
| Dye Intermediates | Dye production | Serves as a raw material in dye synthesis |
| Organic Synthesis | Catalyst or reagent | Applied as a catalyst or reagent in organic synthesis reactions |
| Detection Item | Common Testing Method | Method Overview |
|---|---|---|
| Content Determination | High-Performance Liquid Chromatography (HPLC) | Uses a C18 reversed-phase column, with acetonitrile-water (containing a small amount of acid such as formic acid) as the mobile phase, and UV detection (210–230 nm). Quantification of TAED content is performed via external standard or internal standard method. The method offers high accuracy and excellent reproducibility. |
| Moisture Content Determination | Karl Fischer Titration | Based on the quantitative reaction between iodine and sulfur dioxide in the presence of pyridine and methanol, which reacts with water. Moisture content is determined by potentiometric or coulometric titration methods. This technique is suitable for precise control of trace moisture in TAED. |
| Melting Point Determination | Melting Point Instrument Method | Measured using a digital melting point apparatus. The literature melting range for TAED is approximately 108–112 °C. A narrow melting range indicates high purity and absence of impurities. |
| Purity and Impurity Analysis | Thin Layer Chromatography (TLC) | Uses silica gel plates as the stationary phase and ethyl acetate/petroleum ether (e.g., 3:7) as the developing solvent. Spots are visualized under UV light or by iodine vapor staining. The number of spots and Rf values help identify major impurities such as unreacted ethylenediamine or triacetylated derivatives. |
| Chloride Content | Ion Chromatography (IC) or Silver Nitrate Titration | Ion chromatography directly measures Cl⁻ ion concentration in the sample. Alternatively, the traditional method involves dissolving the sample, adding silver nitrate to form AgCl precipitate, and performing potentiometric titration with potassium chromate as indicator. Suitable for controlling residual chloride levels from raw materials. |
| Heavy Metal Content | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After wet digestion of the sample, lead, cadmium, mercury, and other heavy metals are analyzed using AAS or ICP-MS. Results must comply with safety standards for cosmetic raw materials (e.g., ISO 16128 or EC regulations). |
| Solubility and Appearance | Visual Inspection + Solubility Test | Observe that the sample appears as white crystalline powder without visible impurities. Test solubility in water, ethanol, and acetone (TAED is slightly soluble in water but readily soluble in organic solvents), serving as an initial quality assessment. |
| Thermal Stability (Weight Loss Analysis) | Thermogravimetric Analysis (TGA) | Heating the sample at a constant rate (e.g., 10 °C/min) under nitrogen or air atmosphere and measuring mass loss over temperature. This evaluates decomposition temperature and volatile content, providing insight into thermal stability. |
| Urethane-type Impurities | Gas Chromatography-Mass Spectrometry (GC-MS) | After derivatization, samples are injected into GC-MS for separation and identification of potential by-products such as N-acetyl-N’-acetyl ethylenediamine. Used for process control and quality monitoring. |
| pH Value (Aqueous Solution) | pH Meter Measurement | TAED is dissolved in water to prepare a 1% solution, then pH is measured using a calibrated pH meter. The typical pH range is neutral to slightly acidic (pH 5.5–7.0), reflecting possible contamination by acidic or basic impurities. |
| Test Item | Specification |
|---|---|
| Appearance | Cream colored granules |
| TAED Assay | 90.0%~94.0% |
| Distribution of size (50g, 3min,≥1.60 mm ) | ≤2.0% |
| Distribution of size (50g, 3min,<0.15 mm ) | ≤3.0% |
| Bulk density | 420~650 g/L |
| Water | ≤2.0% |
| Fe | ≤20 ppm |
|
|
|
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.