Diethyltoluenediamine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 68479-98-1 |
| Product name | Diethyltoluenediamine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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 Diethyltoluenediamine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Diethyltoluenediamine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Diethyltoluenediamine
| Industry | Application | Process |
|---|---|---|
| Polyurethane | Chain extender and crosslinker to enhance mechanical properties and heat resistance of elastomers, sealants, and adhesives | Participates in polyurethane chain growth and crosslinking as an active hydrogen component via addition polymerization with isocyanates (e.g., MDI, TDI) |
| Coatings | Curing agent component in high-performance two-component polyurethane coatings to improve coating hardness, abrasion resistance, and chemical resistance | Undergoes curing reaction with polyisocyanate prepolymers at ambient or moderate temperatures to form a dense crosslinked network |
| Composites | Epoxy resin curing agent for fiber-reinforced composites (e.g., carbon fiber/glass fiber), improving interfacial adhesion and thermal stability | Acts as a latent or moderately reactive curing agent, undergoing ring-opening addition reactions with epoxy groups, typically requiring post-cure at 80–120 °C |
| Sealants | Key chain-extending component in high-performance sealants for rail transit, wind power, and construction applications | Used in combination with NCO-terminated prepolymers to synergistically promote crosslinking in the presence of moisture, enabling deep cure and low compression set |
Manufacturing Quality Control of Diethyltoluenediamine
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the color, state, and impurities of the sample under natural light or standard illumination. It is usually required to be a clear liquid ranging from colorless to pale yellow. |
| Purity/Main Content | Gas Chromatography (GC) | Use a capillary column gas chromatograph to determine the main component content of diethyl toluene diamine (DETDA) by area normalization or internal standard method, assessing its purity. |
| Amine Value | Acid-Base Titration | Titrate the free amine groups in the sample with a standard hydrochloric acid solution. The amine value (mg KOH/g) is calculated based on the volume of hydrochloric acid consumed, reflecting the total amine content. |
| Moisture Content | Karl Fischer Titration | Use either volumetric or coulometric Karl Fischer titration to accurately measure trace amounts of moisture in the sample, ensuring moisture is within specified limits (typically ≤ 0.1%). |
| Color | Platinum-Cobalt Colorimetry (APHA/Hazen Method) | Compare the sample with a standard platinum-cobalt solution to determine the color value (unit: Hazen or Pt-Co), used to evaluate oxidation or impurity levels of the product. |
| Density | Density Meter Method or Oscillating U-tube Density Meter Method | Measure the density of the sample at a specified temperature (e.g., 25°C) as one of the indicators for quality consistency. |
| Refractive Index | Abe Refractometer Method | Measure the refractive index (nD20) of the sample at a standard temperature, used to assist in evaluating purity and batch consistency. |
| Volatile Organic Compounds (VOCs) Residue | Headspace-Gas Chromatography (HS-GC) or Thermal Desorption-GC/MS | Detect residual solvents or other volatile impurities by combining headspace sampling with gas chromatography or mass spectrometry analysis. |
| Isoform Ratio (e.g., 3,5- vs 3,4-isomer) | Gas Chromatography (GC) or High-Performance Liquid Chromatography (HPLC) | Separate different isomers using high-resolution chromatographic columns and quantify the proportion of each component, as the isomer ratio affects downstream product performance. |
Technical Specifications of Diethyltoluenediamine
| Test Item | Specification |
|---|---|
| Appearance | Yellow clear liquid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.575–1.585 |
| Relative Density (20°C/25°C) | 1.040–1.060 g/cm³ |
| 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 Diethyltoluenediamine
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NMR Spectra of Diethyltoluenediamine
Packaging of Diethyltoluenediamine
Industrial Diethyltoluenediamine 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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