aliases: nt cat ea-33, pc cat td 33eg, niax a-533, lupragen n203, teda-l33e, polyurethane amine catalyst eg, sole catalyst eg nt cat ea-33 is a 33% solution of triethylenediamine (teda) in ethylene glycol. it is a clear, colorless liquid with a mild odor. nt cat ea-33 is used as a catalyst in polyurethane synthesis. it is also...