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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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