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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.

 
                     
 

 
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