Specification Property             Specification        Analytical Method

isobutylamine,    Min by wt.         99.0%           gaschromatography

Water,             Max by wt.                  0.5%             karl fischer

diisobutylamine, Max by wt.         0.2%            gaschromatography

isobutanol           Max by wt.         0.2%             gaschromatography

other impurity,      Max by wt.         0.2%                  gaschromatography 
color(APHA)               max              15                    the method of Pt-Co