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Product Name: Diethyltoluenediamine
English Abbreviation: DETDA
CAS Number: 68479-98-1
Molecular Formula: C₁₁H₁₈N₂
Product Category: Aromatic Amine Compounds / Polyurethane Curing Agents
Diethyltoluenediamine (DETDA, CAS 68479-98-1) is an important aromatic diamine compound primarily used as a curing agent and chain extender in polyurethane elastomers and coating systems. This product features controllable reaction speed, excellent mechanical properties, and outstanding heat and chemical resistance.
DETDA is widely used in cast polyurethanes, spray polyurea, anticorrosive coatings, industrial flooring, adhesives, and composite materials, and is one of the indispensable key raw materials in high-performance polyurethane systems.
| Parameter | Value |
|---|---|
| Product Name | Diethyltoluenediamine |
| CAS Number | 68479-98-1 |
| Other Name | DETDA |
| Molecular Formula | C11H18N2 |
| Molecular Weight | 178.28 g/mol |
| Appearance | Clear to light yellow liquid |
| Amine Value | 615–635 mg KOH/g |
| Viscosity (25°C) | 100–300 mPa·s |
| Density (25°C) | ~0.95 g/cm³ |
| Flash Point | >110 °C |
| Purity | ≥99% |
| Shelf Life | 12 months |
1. Polyurethane Elastomers
Used as a chain extender in castable polyurethanes
Provides excellent mechanical strength and wear resistance
2. Polyurea and Industrial Coatings
Applied in spray-on polyurea protective systems
Improves impact resistance and corrosion resistance of coatings
3. Adhesives and Sealants
Used in high-performance structural adhesives
Improves curing speed and bonding performance
4. Composite Materials and Industrial Flooring
Used in heavy-duty flooring and protective coatings
Enhances overall durability and service life
✔ Moderate reaction speed and wide processing window
✔ Significantly improves the mechanical properties of polyurethane systems
✔ Excellent heat resistance and chemical resistance
✔ Consistent batch quality, suitable for large-scale industrial applications
✔ Compatible with various isocyanate systems
🔹 Many years of experience in exporting polyurethane raw materials and related services
🔹 Strict quality control and stable supply capacity
🔹 Provision of documents such as COA, MSDS, and TDS
🔹 Support for technical selection and formulation application advice
🔹 Flexible packaging and reliable delivery times
| Item | Details |
|---|---|
| Packaging Options | 200 kg drum / IBC |
| Storage Condition | Cool, dry, well-ventilated area |
| Protection | Keep away from moisture and heat |
| Shelf Life | 12 months |
Q1: What is Diethyltoluenediamine mainly used for?
A: It is mainly used as a curing agent and chain extender for polyurethane and polyurea systems.
Q2: Is DETDA suitable for spray polyurea applications?
A: Yes, it is widely used in spray polyurea coatings.
Q3: What purity do you supply?
A: Standard industrial grade purity is ≥99%.
Q4: Do you provide technical support?
A: Yes, formulation and application support are available.
Q5: How should DETDA be stored?
A: Store in sealed containers in a cool, dry place.
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