| Chain extender DETDA | |||
| Product name | Diethyl methyl benzene diamine | ||
| English name | Diethyl methyl benzene diamine | ||
| Molecular formula | C11H18N2 | ||
| Molecular weight | 178.28 | ||
| Molecular structure |  | ||
| CAS NO. | 68479-98-1 | ||
| Appearance | colorless clear liquid | ||
| Density, g/cm3 | 1.0188(20℃) , 1.0154(25℃) , 1.0039(40℃) | ||
| Boiling point, ℃ | 308 | ||
| Freezing point , ℃ | -8(1013hPa) | ||
| Flashing point , TCC, ℃ | 135(1013 hPa) | ||
| Spontaneous combustion point, ℃ | 420(1013hPa) | ||
| Viscosity, Cps | 280(20℃), 155(25℃) | ||
| Vapor pressure , Pa | 0.000971(25℃), 0.00391(25℃) | ||
| Water solubility | 2.3%(30℃) | ||
| Dissociation constant, Pka | 5.99~8.87 | ||
| Isocyanate equivalent | 89.5 | ||
| Epoxy equivalent | 44.3 | ||
| Solubility | Slightly soluble in water, soluble in polar organic solvents such as alcohol, ether and ketone, compatible with polyether and polyester polyol. | ||
| Scope of application | Diethyltoluene diamine (DETDA) is used as chain extender, curing agent of polyurethane coating, epoxy resin and alkyd resin, pesticides, dyestuff intermediates, and antioxidants of plastics, rubber, oils. Diethyl toluene diamine (DETDA) is an aromatic diamine curing agent for polyurethane elastomers and epoxy resins, as chain extender for casting, coating, adhesive, and polyurethane and polyurethane elastomers. | ||
Chain extender DETDA
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