Dimethylthiotoluenediamine(DMTDA) CAS 106264-79-3
As a liquid aromatic diamine, DMTDA offers excellent low-temperature processing characteristics, lower toxicity compared to traditional solid amines, and a low chemical equivalent weight. It produces polyurea and polyurethane products with high hardness, high tear strength, outstanding oil resistance, and superior thermal stability.
- Superior Performance: It produces polyurea and polyurethane elastomers with excellent physical properties, including high hardness, tear strength, and impact resistance.
- Good Chemical Resistance: It offers strong resistance to a wide range of chemicals, making it ideal for coatings in harsh environments.
- High Thermal Stability: The cured material maintains its integrity and performance over a broad temperature range.
Dimethylthiotoluenediamine Description
Name: Dimethyl Thio-Toluene Diamine (DMTDA)
Molecular Formula: C9H14N2S2
Molecular Weight: 214.35
CAS NO.: 106264-79-3
Density: 1.206g/ml(20℃)
Boiling point: 200℃(1.68mmHg)
Flashing point: 163.4℃
Appearance: Yellowish viscous liquid
Package: 30kg or 200kg iron drum.
Storage: Store in a sealed, cool, ventilated warehouse, away from light. Keep away from fire and heat sources. Store and transport separately from oxidants and alkalis.
Hot tags: Ethacure 300; Vibracure A300; HARTCURE 30
Dimethyl Thio-Toluene Diamine Technical
| Items | Index |
| Appearance | Light yellow to amber clear liquid |
| Purity(%) | ≥95 |
| Methyl-thiotoluenediamine(%) | ≤4.0 |
| Trimethyl-thiotoluenediamine(%) | ≤1.0 |
| Moisture Content(%) | ≤0.1 |
| Amine Value | 525-535 |
DMTDA Applications
- Polyurethane & Polyurea Chain Extender: Serves as a versatile liquid curing agent in polyurethane casting, polyurea spraying (SPUA), RIM systems, and adhesives, delivering excellent low-temperature processing capabilities.
- MOCA Alternative: Functions as an effective, non-carcinogenic liquid replacement for MOCA in TDI and MDI-based two-component polyurethane formulations. Liquid handling eliminates energy-intensive melting processes while providing equivalent or superior physical properties and hydrolysis resistance.
- Industrial & Protective Coatings: Widely applied in heavy-duty anti-corrosion linings for internal steel pipelines, fire-retardant roof coatings, structural waterproofing, and industrial flooring systems.
- Wear-Resistant Mechanical Parts: Essential for manufacturing polyurethane printing squeegees, pipeline scrapers, solid tires, mining machinery components, and seals, significantly improving oil resistance and reducing volume swelling.
