Liquid aromatic diamine chain extender for cast polyurethane elastomers, offered as a lower-melting alternative to solid MOCA — it stays liquid at room temperature, which simplifies handling and lets processing run at a lower temperature.
Product Code
DMTDA
Dimethylthiotoluenediamine (DMTDA)
CAS Number
106264-79-3
EINECS
403-240-8
Description
Synonyms
Cross-Reference
Comparable products from other manufacturers, for identification purposes only.
Key applications
- Chain extender for cast polyurethane elastomers
- Liquid-handling alternative to solid MOCA
Characteristics
| Molecular weight | 214.36 |
|---|---|
| Boiling point | 353°C |
| Density (20°C) | 1.21 g/cm3 |
| Freezing point | -9°C |
| Flash point (TCC) | 163.4°C |
| Viscosity (20°C) | 280 cps |
| Isocyanate equivalent | 107 |
| AHEW | 53.5 |
| Appearance | Light yellow to amber clear liquid |
| DMTDA content | 95-97% |
| MMTDA content | 2-3% |
| TDA content | ≤ 1.0% |
| Amine value | 536 mgKOH/g |
| Moisture | ≤ 0.1% |
| Molecular formula | C9H14N2S2 |