Aromatic diamine chain extender for polyurethane elastomers, particularly reaction injection molding and spray polyurea elastomer systems. Also used as a curing agent for polyurethane and epoxy resin and as an antioxidant.
Product Code
DETDA
Diethyltoluenediamine (DETDA)
CAS Number
68479-98-1
EINECS
270-877-4
Description
Synonyms
Cross-Reference
Comparable products from other manufacturers, for identification purposes only.
Key applications
- Chain extender for RIM polyurethane elastomers
- Chain extender for spray polyurea elastomers (SPUA)
- Curing agent for polyurethane and epoxy resin
- Antioxidant for industrial oils and lubricants
Characteristics
| Molecular weight | 178.28 |
|---|---|
| Boiling point | 308°C |
| Density (20°C) | 1.02 g/cm3 |
| Freezing point | -9°C |
| Flash point (TCC) | > 135°C |
| Viscosity (20°C) | 280 cps |
| Isocyanate equivalent | 89.5 |
| AHEW | 44.3 |
| Appearance | Light yellow to amber clear liquid |
| 3,5-Diethyltoluene-2,4-diamine | 75.0-81.0% |
| 3,5-Diethyltoluene-2,6-diamine | 18.0-20.0% |
| TDA content | ≤ 0.1% |
| Amine value | 625-635 mgKOH/g |
| Other alkylamines | 0.5-3.0% |
| Moisture | ≤ 0.1% |
| Molecular formula | C11H18N2 |